A construction site needs to transport 44.5 tons of loess, and a truck with a load of 2.5 tons has been used to transport 10 times, and the rest is transported with a truck with a load of 1.5 tons. How many times should it be transported?
某工地需要运黄土44.5吨，用一辆载重2.5吨的汽车运了10次，余下改用一辆载重1.5吨的汽车运，还要运多少次？
<gadget id="calculator">2.5 * 10</gadget>
<output>25</output>

<gadget id="calculator">44.5 - 25</gadget>
<output>19.5</output>

<gadget id="calculator">19.5 / 1.5</gadget>
<output>13</output>

<result>13</result>