car canal canal sand can transport 15 tons each time, and after transporting it 12 times, there is still 180 tons left. After that, it will transport 3 tons more each time, how many more times can it be transported?
一辆汽车运河沙，每次能够运15吨，运了12次后还剩下180吨，以后每次多运3吨，还要多少次就能够运完？
<gadget id="calculator">15 + 3</gadget>
<output>18</output>

<gadget id="calculator">180 / 18</gadget>
<output>10</output>

<result>10</result>