a to 7
b to 8
a + b to 15
a - b to -1
a * b to 56
a / b to 0.875

zadanie na 5

x to 7
y to 3
x = y to 3
x += y to 10
x -= y to 4
x *= y to 21
x /= y to 2.3333333333333
x %= y to 1
x |= y to 7
x &= y to 3
x ^= y to 4
x <<= y to 56
x >>= y to 0