There are 70 boxes of edible oil in the supermarket, each box weighs 30 (1/2) kilograms, and they are sold after half a month (5/7). How many kilograms of edible oil are sold?
超市里进了70箱食用油，每箱重30(1/2)千克，半个月后出售了(5/7)，一个出售了多少千克的食用油？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1_067.5 * (5/7)</gadget>
<output>762.5</output>

<result>762.5</result>