The price of eggs in the supermarket is 4.28 yuan per kilogram, how much can 10 kilograms of eggs be sold for?
超市里鸡蛋标价4.28元每千克，10千克鸡蛋可卖多少元．
<gadget id="calculator">4.28 * 10</gadget>
<output>42.8</output>

<result>42.8</result>