Operators

// MULTIPLICATION ASSIGNMENT
// Equals to expr1 = expr1 * expr2.
a = 2
b = 3
a *= b
// Result: a = 6.

// Addition Assignment
// Equals to expr1 = expr1 + expr2.
a = 2
b = 3
a += b
// Result: a = 5.

// Subtraction Assignment
a -= b