Two warehouses store the same kind of fertilizer, and the number of bags of fertilizer stored in warehouse A is (3/4) that of warehouse B. If it is moved from warehouse B (1/8) into warehouse A, then warehouse A has 280 bags of fertilizer. How many bags of fertilizers did Warehouse A originally store?
两个仓库存放同种化肥，甲仓库存放化肥的袋数是乙仓库的(3/4)，如果从乙仓库搬出(1/8)放入甲仓库，这时甲仓库有化肥280袋，求甲仓库原存放化肥多少袋？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(3/4) + (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">280 / (7/8)</gadget>
<output>320</output>

<gadget id="calculator">320 * (3/4)</gadget>
<output>240</output>

<result>240</result>