If a master carpenter wants to make a drawer with a length of 60 cm, a width of 4 decimeters, and a depth of 1.8 decimeters, how many square decimeters of wood should be used at least?
木匠师傅要做一个长60厘米、宽4分米、深1.8分米的抽屉，至少要用木板多少平方分米？
<gadget id="calculator">60 / 10</gadget>
<output>6</output>

<gadget id="calculator">6 * 1.8</gadget>
<output>10.8</output>

<gadget id="calculator">4 * 1.8</gadget>
<output>7.2</output>

<gadget id="calculator">10.8 + 7.2</gadget>
<output>18</output>

<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">36 + 24</gadget>
<output>60</output>

<result>60</result>