A truck with a load of 4.5 tons has to transport 60 tons of goods. After several times of transportation, there are still 33 tons left to be transported. How many times has the truck been delivered?
一辆载重4.5吨的货车要运60吨货物，运了几次后，还剩33吨没运．货车运了多少次？
<gadget id="calculator">60 - 33</gadget>
<output>27</output>

<gadget id="calculator">27 / 4.5</gadget>
<output>6</output>

<result>6</result>