There are 150 tons of grain stored in two warehouses, A and B. After A takes away (2/3) and B takes away (4/5), the remaining grain in the two warehouses is equal. How many tons of grain does A have?
甲乙两仓共存粮150吨，甲取走(2/3)，乙取走(4/5)后，两仓剩下的粮食相等．甲原有粮食多少吨．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/3) / (1/5)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">(5/3) + 1</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">150 / (8/3)</gadget>
<output>225/4 = around 56.25</output>

<result>225/4 = around 56.25</result>