Dean's mother gave him $28 to go to the toy store. Dean bought 6 toy cars and 5 teddy bears. Each toy car cost $2 and each teddy bear cost $1. His mother then feels generous and decides to give him an extra $10. How much money does Dean have left?
The cost of the toy cars is 6 cars * $2/car = $
<gadget id="calculator">6*2</gadget>
<output>12</output>
12.
The cost of the teddy bears is 5 bears * $1/bear = $
<gadget id="calculator">5*1</gadget>
<output>5</output>
5.
The total cost of the toys is $12 + $5 = $
<gadget id="calculator">12+5</gadget>
<output>17</output>
17.
Adding the two amounts of money his mother gave him, we find that Dean has $28 + $10 = $
<gadget id="calculator">28+10</gadget>
<output>38</output>
38 to spend.
Dean has $38 - $17 = $21 left.

<result>21</result>