A kind of cashmere is priced at 64.5 yuan per kilogram, how much should I pay for 2.5 kilograms?
一种羊毛绒每千克售价64.5元，买2.5千克应付多少元？
<gadget id="calculator">64.5 * 2.5</gadget>
<output>161.25</output>

<result>161.25</result>