Two trucks were used to transport a batch of cement to the construction site, and all of them were transported 18 times at the same time. One car transports 12 tons at a time, and the other car transports 10 tons at a time. How many tons is this batch of cement?
建筑工地用两辆汽车运一批水泥，同时运了18次正好全部运完．一辆汽车每次运12吨，另一辆汽车每次运10吨．这批水泥一共有多少吨？
<gadget id="calculator">18 * 12</gadget>
<output>216</output>

<gadget id="calculator">18 * 10</gadget>
<output>180</output>

<gadget id="calculator">216 + 180</gadget>
<output>396</output>

<result>396</result>