There is a batch of cement, 40 tons are transported away on the first day, and 42 tons are transported away on the second day. At this time, the ratio of the remaining cement to the cement transported is 3:2. How many tons are there in this batch of cement?
有一批水泥，第一天运走40吨，第二天运走42吨，这时剩下的水泥和运走的水泥的比是3：2，这批水泥共有多少吨？
<gadget id="calculator">40 + 42</gadget>
<output>82</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">82 / (2/5)</gadget>
<output>205</output>

<result>205</result>