A cuboid pool is 5 meters long, 3 meters wide and 2.5 meters deep. Put cement on the four walls and bottom of this pool, how many square meters is the area where the cement is applied?
一个长方体水池，长5米，宽3米，深2.5米．在这个水池的四壁和底面抹上水泥，抹水泥的面积是多少平方米？
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">5 * 2.5 * 2</gadget>
<output>25</output>

<gadget id="calculator">3 * 2.5 * 2</gadget>
<output>15</output>

<gadget id="calculator">15 + 25 + 15</gadget>
<output>55</output>

<result>55</result>