There are two grain warehouses. It is known that the first warehouse is equipped with 600 tons. If (1/3) of the grain is transferred from the first warehouse and 75% of the grain is transferred from the second warehouse, then the first warehouse is more than The grain in the second warehouse is twice as much as 150 tons. How many tons of grain is there in the second warehouse?
有两个粮食仓库，已知第一仓库装有600吨，如果从第一仓库调出粮食的(1/3)，又从第二仓库调出粮食的75%后，这时第一仓库比第二仓库的粮食的2倍还多150吨．第二仓库原有粮食多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">600 * (2/3)</gadget>
<output>400</output>

<gadget id="calculator">400 - 150</gadget>
<output>250</output>

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">250 / (1/2)</gadget>
<output>500</output>

<result>500</result>