To transport 320 tons of goods, the car has transported (1/4) of this batch of goods five times, how many times will it take to finish this batch of goods?
要运320吨货物，汽车5次运了这批货物的(1/4)，运完这批货物还需要多少次？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 5</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 / (1/20)</gadget>
<output>20</output>

<gadget id="calculator">20 - 5</gadget>
<output>15</output>

<result>15</result>