// Binary expression
2 + 2;

// Nested binary expressions:
// left : 3 + 2
// right : 2
3 + 2 - 2;

// Nested binary expressions:
3 * 3;

3 * 4 * 5;

3 + 6 * 2;

(2 + 2) * 3;

(2 + 2) * 3 + 10;