The school wants to build a cuboid reservoir, which is 10m long, 6m wide and 2.5m deep. To apply cement around and on the bottom of the reservoir, if 1.5 kilograms of cement is needed per square meter, how many kilograms of cement are needed in total?
学校要修建一个长方体蓄水池，这个蓄水池的长10m，宽6m，深2.5m．要在蓄水池的四周和底面抹水泥，如果每平方米需要1.5千克的水泥，一共需要水泥多少千克？
<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<gadget id="calculator">10 * 2.5 * 2</gadget>
<output>50</output>

<gadget id="calculator">6 * 2.5 * 2</gadget>
<output>30</output>

<gadget id="calculator">60 + 50 + 30</gadget>
<output>140</output>

<gadget id="calculator">140 * 1.5</gadget>
<output>210</output>

<result>210</result>