There is a batch of goods, loaded in 6 trucks, each truck loaded with 4 tons, and there are 12 tons left, how many tons are there in this batch of goods?
有一批货、装6车，每车装4吨，还剩12吨，这批货有多少吨．
<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<gadget id="calculator">24 + 12</gadget>
<output>36</output>

<result>36</result>