Lili saved 50.3 yuan and spent 37.4 yuan on stationery. How much money does Lili have left?
丽丽存了50.3元钱，买文具花了37.4元，丽丽还剩多少钱？
<gadget id="calculator">50.3 - 37.4</gadget>
<output>12.9</output>

<result>12.9</result>