There is a pile of coal, if it is transported by a type A vehicle at one time, 36 vehicles are needed; if it is transported by a type B vehicle at one time, 45 vehicles are required. It is known that Type A vehicles transport 1.5 tons more than Type B vehicles. How many tons of coal are there in total?
有一堆煤，如果用甲种车一次运完，需要36辆；如果用乙种车一次运完，需要45辆．已知甲种车比乙种车每辆多运1.5吨．问这批煤共有多少吨？
<gadget id="calculator">36 * 1.5</gadget>
<output>54</output>

<gadget id="calculator">45 - 36</gadget>
<output>9</output>

<gadget id="calculator">54 / 9</gadget>
<output>6</output>

<gadget id="calculator">45 * 6</gadget>
<output>270</output>

<result>270</result>