Dig a rectangular pool with a length of 5 meters, a width of 2 meters and a depth of 3 meters, and plaster its surroundings and bottom layer with cement. What is the area of the cemented part?
挖一个长5米，宽2米，深3米的长方形水池，在它的四周和底层抹上水泥，抹水泥部分的面积是多少？
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">15 + 6</gadget>
<output>21</output>

<gadget id="calculator">21 * 2</gadget>
<output>42</output>

<gadget id="calculator">10 + 42</gadget>
<output>52</output>

<result>52</result>