Easy
10 x 10
100
3.2 x 6
19.2
4
9.8 x 4.7
46.06
8.8 x 8.8
77.44
80 x 3
240
4.5 x 2
9
45 + (8 x 3)
69
9.1 x 3.3
30.03
90 x 2.5
225
22 x 4
88
85 / 5
17
3 + 3 x 3 + 3
15
the square root of 1000000
1000
40 x 5.5
220
91 x 2
182
99 / 11
9
22 x 11
232
3 x 3 x 3 x 3 x 3
243
900 x 10
9000
1000 x 21
21000
800 / 200
4
(99 / 9) x 3
33
90 x 10
900
3.3 x 4.4 x 5.5
79.86