The price of a kind of floral cloth is 9.5 yuan per meter. Mom buys 3.5 meters of floral cloth and pays 50 yuan. How much should I get back?
一种花布的价格是每米9.5元，妈妈买3.5米花布，付出50元钱，应找回多少钱？
<gadget id="calculator">9.5 * 3.5</gadget>
<output>33.25</output>

<gadget id="calculator">50 - 33.25</gadget>
<output>16.75</output>

<result>16.75</result>