There is a barrel of oil, take out (1/3) of the total amount for the first time, and take out the rest (1/4) for the second time. At this time, there are still 5 kilograms of oil in the barrel. How many kilograms of oil are there in the barrel?
有一桶油，第一次取出总量的(1/3)，第二次取出剩下的(1/4)，这时桶中还剩下5千克油，这桶油原来有多少千克？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">5 / (3/4) / (2/3)</gadget>
<output>10</output>

<result>10</result>