A pencil case is 15 yuan, and the price of a school bag is 12 yuan more than five times that of the pencil case. How much is the price of a schoolbag?
一个文具盒15元，一个书包的价钱比文具盒的5倍还多12元．一个书包的价钱是多少元？
<gadget id="calculator">15 * 5</gadget>
<output>75</output>

<gadget id="calculator">75 + 12</gadget>
<output>87</output>

<result>87</result>