i have no idea what it is but i think its something you multiply by itself and you will get the answer.
How about: 2*320 = 640
6x7
When you multiply two numbers, you get the product
240 and 1
-1
How about: 2*320 = 640
There's only one number that equals 640. The number is . . . . . 640.
5 and -3
6x7
9
When you multiply two numbers, you get the product
199
38 and 8
240 and 1
21 and 5
12 and 100
-1