REM The variable is now 42.
REM The variable is now 43: the sum of 42 and 1.
REM Let's subtract it by 1.
REM The variable is now 42 (again): the difference of 42 and 1.
REM Let's multiply it by 2.
REM The variable is now 84: the product of 42 and 2.
REM Let's divide it by 2.
REM The variable is now 42 (again): the quotient of 82 and 2.
REM Let's modulus it by 4.
REM The variable is now 2: the signed remainder of 42 and 4.
REM Let's raise it to the power of 6.
REM Our variable is now 64: the exponent of 2 and 6.