certain grain store shipped several bags of 100 kg rice. If the price was increased by 20% of the original price, the cost would be recovered when (3/4) and 10 bags of rice were sold. How many bags of rice did the grain store ship?
某粮店运来100千克装的大米若干袋，如果按原价提价20%出售，卖掉大米数量的(3/4)又10袋时，已收回成本，问粮店运来大米多少袋？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

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

<gadget id="calculator">(3/4) * (6/5)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(6/5) / (1/10)</gadget>
<output>12</output>

<gadget id="calculator">10 * 12</gadget>
<output>120</output>

<result>120</result>