subtract
11-7
4
27+44
71!
8x6
48!
9/3
3
1x7+[4x3]
21
222-111
111!
37+167
204!
15x19
285!
2/14
0.5
7x3-[1+8]/2
16.5
700-430
270!
474+375
849!
23x11
253!
7/182
0.03846153846!..
9
794-348
446!
1679+2356
4039!
456x129
58824!
15/4215
281!
7x[9+4]x1-4
31
9171-7451
1720!
4689+7659
12348
1267x44
55748!
26/6214
239
12x4x3[7x7]+41-22x2
7053