10101+1111=100100
1001+101=1110
1010001-110=1001011
10001-10=1111
1011*11=100001
101*101=11001
11110/110=101
1000110/1110=101
10101+1111=100100
1001+101=1110
1010001-110=1001011
10001-10=1111
1011*11=100001
101*101=11001
11110/110=101
1000110/1110=101