The sum of 10 and 6 is 16.
The difference of 10 and 6 is 4.
The product of 10 and 6 is 60.
The quotient of 10 and 6 is 1.6666666666667.
The remainder of 10 divided by 6 is 4.
Pre-incrementing 4 by 1 is 5.
Pre-decrementing 7 by 1 is 6.

Equation 1 adds 10 and 6 togther.
Equation 2 subtracts 6 from 10.
Equation 3 multiplies 10 and 6.
Equation 4 divides 6 by 10.
Equation 5 gives the remainder after dividing 6 by 10.
Equation 6 increments the number 4 by 1.
Equation 7 decrements the number 7 by 1.