The transport team will transport 180 tons of cement to the construction site, and 60% of it has been transported. The rest will be transported by a large truck with a load of 8 tons. How many such large trucks are needed?
运输队要将180吨的水泥运往建筑工地，已经运了60%，剩下的用载重8吨的大货车一次运完，需几辆这样的大货车？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) / 8</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">180 * (1/20)</gadget>
<output>9</output>

<result>9</result>