Other than the simple math, the % operator is a modulus, which returns whatever the remainder would be if its two operands were divided. The << operator is a left-shift operator, which effectively multiplies an integer number by powers of two. Finally, the ultimate answer is multiplied by a floating point and, therefore, its type changes accordingly. However, the result is still printed out without any fractional part, since the latter is nil. The final output is 256 (Answer D).