A cuboid iron box without a cover is 10 cm long, 6 cm wide, and 5 cm high. How many square centimeters of iron sheet should be used to make this iron box?
一个无盖的长方体铁盒，长10厘米，宽6厘米，高5厘米，做这个铁盒至少用多少平方厘米的铁皮．
<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<gadget id="calculator">10 * 5 * 2</gadget>
<output>100</output>

<gadget id="calculator">6 * 5 * 2</gadget>
<output>60</output>

<gadget id="calculator">60 + 100 + 60</gadget>
<output>220</output>

<result>220</result>