A car transports 6 tons of rice at a time. How many times does it take 5 such cars to transport 90 tons of rice.
一辆汽车一次运大米6吨．5辆这样的汽车90吨大米要运多少次．
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">90 / 30</gadget>
<output>3</output>

<result>3</result>