The price of a kind of rice is 3.85 yuan per kilogram, how much should I pay for buying 2.5kg.
一种大米的价格是每千克3.85元，买2.5kg应付多少．
<gadget id="calculator">3.85 * 2.5</gadget>
<output>9.625</output>

<result>9.625</result>