Warehouse A has 35 tons of coal, which is 20 tons less than that in Warehouse B (1/2). How many tons of coal are there in warehouse B? (column equation solution)
甲仓库有煤35吨，比乙仓库的(1/2)少20吨．乙仓库有煤多少吨？(列方程解答)
<gadget id="calculator">20 + 35</gadget>
<output>55</output>

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

<gadget id="calculator">55 / (1/2)</gadget>
<output>110</output>

<result>110</result>