(6 * 3) + (3 * 2) = 24
1) 6 * 3 = 18
2) 3 * 2 = 6
3) 18 + 6 = 24
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(6 * 3) - (3 * 2) = 12
1) 6 * 3 = 18
2) 3 * 2 = 6
3) 18 - 6 = 12
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(6 * 3) : (3 * 2) = 3
1) 6 * 3 = 18
2) 3 * 2 = 6
3) 18 : 6 = 3