Make a wooden packing box for two small cubes with a side length of 5cm. The packing box needs at least how many square meters of wood.
为两个棱长5cm的小正方体物品制作一个木质包装箱，这个包装箱至少要多少平方米的木板．
<gadget id="calculator">5 + 5</gadget>
<output>10</output>

<gadget id="calculator">10 * 5 * 4</gadget>
<output>200</output>

<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>

<gadget id="calculator">200 + 50</gadget>
<output>250</output>

<gadget id="calculator">250 / 10_000</gadget>
<output>1/40 = around 0.025</output>

<result>1/40 = around 0.025</result>