The construction site needs 54 tons of cement, first transported 16 times by tractor, 1.5 tons each time, and the rest is transported by truck, 5 tons each time, how many more times should it be transported?
建筑工地需要54吨水泥，先用拖拉机运16次，每次运1.5吨，剩下的改用卡车运，每次运5吨，还要运多少次？
<gadget id="calculator">1.5 * 16</gadget>
<output>24</output>

<gadget id="calculator">54 - 24</gadget>
<output>30</output>

<gadget id="calculator">30 / 5</gadget>
<output>6</output>

<result>6</result>