One car can transport 30 tons of fertilizer at a time, and 7,200 tons of fertilizer need to be transported. How many times can it take to transport 12 such vehicles?
一辆汽车一次可运化肥30吨，要运7200吨化肥，用12辆这样的汽车来运，多少次才能运完？
<gadget id="calculator">30 * 12</gadget>
<output>360</output>

<gadget id="calculator">7_200 / 360</gadget>
<output>20</output>

<result>20</result>