It is 4.5 yuan per kilogram of peaches. Master Wang bought 10.6 kilograms and paid 50 yuan. How much did you get back?
每千克桃子4.5元，王师傅买了10.6千克，付了50元，找回多少钱？
<gadget id="calculator">4.5 * 10.6</gadget>
<output>47.7</output>

<gadget id="calculator">50 - 47.7</gadget>
<output>2.3</output>

<result>2.3</result>