Xiaojun's father transported a batch of coal. If he transported 8 tons of coal each time, it would take exactly 18 times. If he transported 9 tons each time, how many times would he need to transport it?
小军的爸爸运一批煤，如果每次运8吨煤，刚好要运18次，如果每次运9吨，要运多少次？
<gadget id="calculator">18 / 9</gadget>
<output>2</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>