Estimate
22 x 32 =
600
14 x 16 =
224
20 x 10 =
200
39 x 56 =
2,400
23 x 25 =
575
40 x 40 =
1,600
43 x 29 =
1,200
27 x 39 =
1,053
50 x 50 =
2,500
55 x 35 =
2,400
18 x 34 =
612
40 x 50 =
2,000
79 x 11 =
800
22 x 26 =
572
70 x 80 =
5,600