The perimeter of the bottom of a cube fuel tank is 16dm, how many liters of oil can this tank hold?
一个正方体油箱的底面周长是16dm，这个油箱可以盛油多少升？
<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<result>64</result>