If a pile of coal is transported by 14 trucks with a load capacity of 8 tons, it can be transported 6 times a day, and it can be transported in 5 days; if 20 trucks are used to transport it 7 times a day, how many days can it be transported.
运一堆煤，用载重量为8吨的卡车14辆，每天运6次，5天可以运完；如果用同样的卡车20辆，每天运7次，多少天可以运完．
<gadget id="calculator">8 * 20 * 7</gadget>
<output>1_120</output>

<gadget id="calculator">5 / 1_120</gadget>
<output>1/224 = around 0.004464</output>

<gadget id="calculator">8 * 14 * 6 * (1/224)</gadget>
<output>3</output>

<result>3</result>