The oil barrel weighs 3.5kg. After half of the oil is poured out, the oil and the barrel weigh 62kg. It is known that the price of oil per kilogram is 6.3 yuan. How much can this barrel of oil be sold for?
油桶重3.5kg，倒出一半油后，油和桶共重62kg，已知每千克油售价为6.3元，这桶油一共可卖多少元？
<gadget id="calculator">62 - 3.5</gadget>
<output>58.5</output>

<gadget id="calculator">58.5 * 2 * 6.3</gadget>
<output>737.1</output>

<result>737.1</result>