A cuboid wooden box is 10 decimeters long, 12 decimeters wide, and 3 decimeters high. How many square decimeters of boards should be used to make this wooden box?
一只长方体木箱，长10分米，宽12分米，高3分米，做这只木箱至少要用多少平方分米的木板？
<gadget id="calculator">10 * 12</gadget>
<output>120</output>

<gadget id="calculator">10 * 3</gadget>
<output>30</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">120 + 30 + 36</gadget>
<output>186</output>

<gadget id="calculator">186 * 2</gadget>
<output>372</output>

<result>372</result>