37.5% of a barrel of oil is poured out for the first time, and 40% is poured out for the second time, and a total of 62 kg is poured out twice. How many kilograms is this poke oil?
一桶油第一次倒出37.5%，第二次倒出40%，两次共倒出62千克．这捅油原来有多少千克？
<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">0.375 + (2/5)</gadget>
<output>0.775</output>

<gadget id="calculator">62 / 0.775</gadget>
<output>80</output>

<result>80</result>