Simple arithmetic and a little knowledge of trivia are all it takes to solve this numerical puzzle. Each clue is in the form of a two-part equation. When you know the answers to both parts, perform the calculation indicated by the arithmetic symbol (addition, subtraction, multiplication, or division) and write the result in the box corresponding to the letter of the clue. When all the boxes have been correctly filled in, each horizontal and vertical row and both corner-to-corner diagonals will total the same key number.
Note: Once you've determined the key number by completing one row, you'll have an additional clue to finishing the others. Some numbers appear more than once in the puzzle.
CLUES
A. Legs on a spider x legs on a stool
B. Days in a fortnight - ___ Deadly Sins
C. Members of the Supreme Court + members of the Supremes
D. RPM of a "single" / The ___ Stooges
E. ___ Minutes / Years Before the Mast
F. Karats in pure gold - Hills of Rome
G. Cards in a pinochle deck - contiguous U.S. states
H. Kellogg's Product ___ + VHF channels
I. Innings in a baseball game - ___ Easy Pieces
J. Points on a Star of David x points for a touchdown
K. Ali Baba's Thieves - ___ Candles
L. Hats of Bartholomew Cubbins / U.S. Senators
M. Heinz varieties / men in a tub
N. Lives of a cat x mittenless kittens
0. Disney's dalmatians - piano keys
P. King Henrys of England + Nixon's "Crises"
Q. Route ___ - winks in a nap
R. Days in June / ___ Blind mice
S. Baskin-Robbins flavors + feet in a fathom
T. Olympic rings - the ___ seasons
U. Kings of Orient Are x ___ Mile Island
V. ___ Little Indians x ___ Little Peppers
W. Beethoven's symphonies + stars in the Big Dipper
X. Dimes in a dollar / lights "if by sea"
Y. Beatles' When I'm ___ / Beatles' ___ Days a Week
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