There is oil in an oil barrel, after pouring out (1/3) for the first time, add 20 kilograms, and when pouring out for the second time, the oil (1/6) is more than 5 kilograms, and there is 95 kilograms of oil left in the barrel at this time ． Ask how many kilograms of oil are in the barrel?
有一个油桶里的油，第一次倒出(1/3)后加入20千克，第二次倒出这时油的(1/6)多5千克，这时桶里剩下油95千克．问原来桶里有油多少千克？
<gadget id="calculator">95 - 15</gadget>
<output>80</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">80 / (1/2)</gadget>
<output>160</output>

<result>160</result>