Easy Peasy!
12 + 19 =
31
4 x 5 =
20
147 + 28 =
175
97 x 12 =
1,164
(42 + 12) x 6 =
324
6 + 41 =
47
6 x 7 =
42
492 - 69 =
423
493 + 762 =
1,255
91 - (6 + 3) =
82
23 - 14 =
9
72
65 x 4 =
260
9,209 - 1,452 =
7,757
6 x (4 + 12) =
96
52 - 11 =
41
32/8 =
4
96/3 =
32
1440/12 =
120
42 - (12 x 2) =
18
39 - 14 =
25
64/8 =
8
432/3 =
144
561 x 4 =
2,244
100 + (42 - 8) =
134