There are several tons of cement in the warehouse. Half of the stored cement is shipped out in the morning on the first day, 12 tons in the afternoon, and half of the remaining cement in the second day. At this time, there are still 60 tons of cement in the warehouse. How many tons of cement are there in the warehouse? ．
仓库里有水泥若干吨，第一天上午运出所存水泥的一半，下午运出12吨，第二天运出所剩水泥的一半，这时仓库还有水泥60吨，仓库原有水泥多少吨．
<gadget id="calculator">120 + 12</gadget>
<output>132</output>

<gadget id="calculator">132 * 2</gadget>
<output>264</output>

<result>264</result>