There is a batch of cement on the construction site, 80 tons are transported away on the first day, and 82 tons are transported away on the second day. The weight ratio of the remaining cement to the cement transported away is 3:2. How many tons are there in this batch of cement?
工地有一批水泥，第一天运走80吨，第二天运走82吨，剩下的水泥与运走的水泥重量比是3：2，这批水泥共有多少吨？
<gadget id="calculator">80 + 82</gadget>
<output>162</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">162 / (2/5)</gadget>
<output>405</output>

<result>405</result>