How many decimeters should aluminum alloy be used to make four windows with a length of 24 decimeters and a width of 9 decimeters?
用铝合金做4个长24分米，宽9分米的窗户，至少要用铝合金材料多少分米？
<gadget id="calculator">24 + 9</gadget>
<output>33</output>

<gadget id="calculator">33 * 2 * 4</gadget>
<output>264</output>

<result>264</result>