The transportation team went to the warehouse to transport cement. On the first day, 1/5 of the total amount was shipped out, and on the second day, 36 tons of cement were brought in. At this time, the cement in the warehouse was 87.5% of the original amount. How many tons of cement was there in the warehouse?
运输队去仓库运水泥，第一天运出总数的(1/5)，第二天运进水泥36吨，这时仓库里的水泥是原来的87.5%，仓库里原有水泥多少吨？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">87.5 / 100</gadget>
<output>0.875</output>

<gadget id="calculator">0.875 - 1</gadget>
<output>-0.125</output>

<gadget id="calculator">(1/5) + (-0.125)</gadget>
<output>0.075</output>

<gadget id="calculator">36 / 0.075</gadget>
<output>480</output>

<result>480</result>