Simple
1+1
2
25+11
36
2*7
14
(4+2)*7
42
(7/8)*9
7.875
1+3
4
47+42
89
6*7
42
72
(2/7)*2-9
-8.42857142857
2+5
7
37+37
74
13*14
182
(9*2)+(9-8)
18
(1/10)*(11-2)
0.9
3+8
11
13+83
96
14*5
70
(3+12)*6
90
103x-5 (x is 13)
1,008
4+7
11
42+21
63
12*13
156
(10*2)+(10*1)
30
√2*10-8.5
5.64213562373