There are 30 tons of coal in the coal yard. First, a truck with a load of 6 tons is used to transport the coal once, and the rest is transported with a small truck with a load of 3 tons. How many times will it take to finish the transportation?
煤场有30吨煤，先用载重6吨的货车运1次，余下的用一辆载重3吨的小货车来运，还需要多少次才能运完？
<gadget id="calculator">30 - 6</gadget>
<output>24</output>

<gadget id="calculator">24 / 3</gadget>
<output>8</output>

<result>8</result>