A barrel of oil weighs 45.5 kilograms. If the price of oil per kilogram is 4.6 yuan, how much can this barrel of oil be sold for?
一桶油重45.5千克，如果每千克油卖4.6元，这桶油可卖多少元？
<gadget id="calculator">4.6 * 45.5</gadget>
<output>209.3</output>

<result>209.3</result>