Knead a cube of plasticine with a side length of 4 cm into a cuboid with a cross-sectional area of 8 cm2. How long is this cuboid?
把一块棱长为4厘米的正方体橡皮泥，捏成横截面积是8平方厘米的长方体，这个长方体有多长？
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4 * 4 * (1/2)</gadget>
<output>8</output>

<result>8</result>