How about: 12*12 = 144 as one example
3*19 = 57
16 x 144 = 2,304
144 multiplied by 25 is 3,600.
68 multiplied by 144 is 9,792.
Square of 144 means 144 multiplied by 144. if you mean square root, then 12
the answer is 144
144
452.16
21,600
144
1872
1008