Obviously spend 80 yuan to buy toys, 24.8 yuan to buy a toy gun, 47.6 yuan to buy a model airplane, how much money is left?
明明拿80元去买玩具，买玩具枪用了24.8元，买飞机模型用去47.6元，还剩多少钱？
<gadget id="calculator">47.6 + 24.8</gadget>
<output>72.4</output>

<gadget id="calculator">80 - 72.4</gadget>
<output>7.6</output>

<result>7.6</result>