If a square steel billet with a side length of 4 cm is forged into a cuboid steel block with a base area of 5 square centimeters, how thick can it be forged? (solution by equation)
把一个棱长4厘米的正方体钢坯，锻造成一个底面积是5平方厘米的长方体钢块，能锻造多厚？(用方程解)
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<gadget id="calculator">64 / 5</gadget>
<output>64/5 = around 12.8</output>

<result>64/5 = around 12.8</result>