Mom buys a bottle of Coke for 3.25 yuan, a bag of rice for 45.5 yuan, and pays the salesperson 50 yuan. How much should I get back?
妈妈买一瓶可乐3.25元，一袋大米45.5元，付给售货员50元，应找回多少钱？
<gadget id="calculator">3.25 + 45.5</gadget>
<output>48.75</output>

<gadget id="calculator">50 - 48.75</gadget>
<output>1.25</output>

<result>1.25</result>