-- Chapter 13 example: the arithmetic operators.

print(3 + 2)    -- 5
print(7 - 4)    -- 3
print(6 * 7)    -- 42
print(7 / 2)    -- 3.5  (float division)
print(7 // 2)   -- 3    (integer division)
print(7 % 2)    -- 1    (remainder)
print(2 ^ 8)    -- 256.0 (power)

-- Predict each line before running, then check.