There is 3.5 yuan per kilogram of apples in the market, and how much does it cost if my mother wants to buy 5.6 kilograms?
市场上每千克苹果3.5元，妈妈想买5.6千克，需要多少钱？
<gadget id="calculator">3.5 * 5.6</gadget>
<output>19.6</output>

<result>19.6</result>