A batch of salad oil is stored in two oil depots. The amount of salad oil in A’s inventory is twice that of B’s. Later, 86 tons are transported from A’s depot and 40 tons from B’s depot. At this time, the remaining amount of salad oil in the two depots is equal. How many tons of original salad oil in Jiaku? (Solution of column equation)
一批色拉油存在两个油库中，甲库存色拉油的数量是乙库的2倍，后来从甲库运走86吨，从乙库运走40吨，这时两库所剩色拉油的数量相等．甲库原有色拉油多少吨？(列方程解)
<gadget id="calculator">86 - 40</gadget>
<output>46</output>

<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">46 / 1</gadget>
<output>46</output>

<gadget id="calculator">46 * 2</gadget>
<output>92</output>

<result>92</result>