There is 56.5 yuan in Lili's piggy bank. Lili spent 7.75 yuan on a copy of "Fairy Tale" and 12.25 yuan on a pen. How much money is there in Lili's piggy bank?
丽丽的储蓄罐里有56.5元，丽丽买一本《童话故事》用了7.75元，买一枝钢笔用了12.25元，丽丽的储蓄罐里还有多少钱？
<gadget id="calculator">56.5 - 7.75 - 12.25</gadget>
<output>36.5</output>

<result>36.5</result>