A truck transports a pile of grain (1/4) three times. According to this calculation, how many times will it take to transport the rest?
一辆卡车3次运完一堆粮的(1/4)，照这样计算，余下的还要几次才能运完？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 3</gadget>
<output>1/12 = around 0.083333</output>

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

<gadget id="calculator">12 - 3</gadget>
<output>9</output>

<result>9</result>