A wooden box with a length of 5 meters, a width of 2 meters and a height of 3 meters is placed flat on the ground, what is the surface area in square meters
一个长5米、宽2米、高3米木箱平放在地面上，表面积是多少平方米
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

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

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

<gadget id="calculator">10 + 15 + 6</gadget>
<output>31</output>

<gadget id="calculator">31 * 2</gadget>
<output>62</output>

<result>62</result>