Условие:

8 * 2 + 8;
6 * 3;
20 + (304);
9 : 3 * 2.

8 * 2 + 8 = 8 * 3 = 24;
6 * 3 = 18;
20 + (304) = 20 + 26 = 46;
9 : 3 * 2 = 3 * 2 = 6.