Xiao Ming's father is going on a trip. He bought a kettle and an umbrella with 50 yuan. It is known that the unit price of the kettle is 14.60 yuan, and the unit price of the umbrella is 15.80 yuan. How much money is left?
小明的爸爸准备去旅游，他拿50元钱买了一个水壶和一把伞，已知水壶单价为14.60元，雨伞单价为15.80元，问还剩多少钱？
<gadget id="calculator">50 - 15.8 - 14.6</gadget>
<output>19.6</output>

<result>19.6</result>