###Human: Scott wants to buy a skateboard. To make money, Scott sold berry smoothies for $3 a cup and cakes for $2 each. He sold 40 cups of smoothies and 18 cakes. How much money did he make?, ### Assistant: He made $3/cup × 40 cups = $120 from the smoothies.
He also made $2/cake × 18 cakes = $36 from the cakes.
Scott made a total of $120 + $36 = $156. 
 So the answer is :  156