1010001111 (2) + 110110 (2) = 110000101(2)
1010001111 (2) - 110110 (2) = 1001101001(2)
1111 (2) * 1011 (2) = 10111001(2)
1010001111 (2) + 110110 (2) = 110000101(2)
1010001111 (2) - 110110 (2) = 1001101001(2)
1111 (2) * 1011 (2) = 10111001(2)