The car transportation company wanted to deliver 600 tons of relief materials to support the disaster area, and 8 vehicles transported 1/4 of the materials. According to this calculation, how many cars are needed to transport this batch of materials at one time? (Solve with ratio)
汽车运输公司要运送600吨救灾物资支援灾区，用8辆汽车运送了这批物资的1/4．照这样计算，一次运完这批物资需要多少辆汽车？(用比例解)
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">8 / (1/4)</gadget>
<output>32</output>

<result>32</result>