Mom bought a skirt for 56 yuan, a hat for 37 yuan, and paid 100 yuan. How much should I get back?
妈妈买一条裙子花56元钱，买一顶帽子花37元钱，付100元，应找回多少钱？
<gadget id="calculator">56 + 37</gadget>
<output>93</output>

<gadget id="calculator">100 - 93</gadget>
<output>7</output>

<result>7</result>