pile of coal, 8 tons each time, has been shipped 12 times, and there are still 45 tons left to be shipped. How many tons does this pile of coal weigh?
一堆煤，每次运8吨，运了12次，还剩45吨没运完，这堆煤重多少吨？
<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<gadget id="calculator">96 + 45</gadget>
<output>141</output>

<result>141</result>