A construction site needs to transport 112 tons of cement, and it has been transported 18 times by a truck with a load of 4 tons. If the rest is transported by a truck with a load of 5 tons, how many times should it be transported?
某工地要运112吨水泥，用一辆载重4吨的卡车运了18次，余下的如果用一辆载重5吨的卡车运，还要运几次？
<gadget id="calculator">4 * 18</gadget>
<output>72</output>

<gadget id="calculator">112 - 72</gadget>
<output>40</output>

<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<result>8</result>