The price of apples is 3.7 yuan/kg? Mom bought 3.42 kilograms, how much should I pay?
苹果售价3.7元/千克？妈妈买了3.42千克，应付多少元？
<gadget id="calculator">3.7 * 3.42</gadget>
<output>12.654</output>

<result>12.654</result>