There is a batch of flour in the warehouse. 8.5 tons were transported in the first time, 12.6 tons in the second time, and 4.3 tons remained. How many tons are there in this batch of flour?
仓库里存有一批面粉．第一次运走8.5吨，第二次运走12.6吨，还剩4.3吨，这批面粉有多少吨？
<gadget id="calculator">8.5 + 12.6 + 4.3</gadget>
<output>25.4</output>

<result>25.4</result>