The canteen bought 15 bottles of oil, each bottle 12 kg, if the canteen uses 750 grams of oil per day, how many days can these oils be used?
食堂购买了15瓶油，每瓶12千克，如果食堂每天用油750克，这些油可以使用多少天？
<gadget id="calculator">750 / 1_000</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">15 / (3/4)</gadget>
<output>20</output>

<gadget id="calculator">12 * 20</gadget>
<output>240</output>

<result>240</result>