Mom takes 100 yuan, you spent 53.7 yuan to buy a barrel of oil, and 26.3 yuan to buy meat, how much money is left?
妈妈拿100元，买一桶油用了53.7元你，买肉用了26.3元，还剩多少钱？
<gadget id="calculator">100 - 53.7 - 26.3</gadget>
<output>20</output>

<result>20</result>