Take a square steel with a side length of 8 decimeters and forge it into a rectangular parallelepiped steel plate with a length of 16 decimeters and a width of 5 decimeters. How thick is this steel plate?
把一块棱长是8分米的正方体钢钢材，锻造成长16分米、宽5分米的长方体的钢板，这块钢板有多厚？
<gadget id="calculator">16 * 5</gadget>
<output>80</output>

<gadget id="calculator">8 / 80</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">8 * 8 * (1/10)</gadget>
<output>32/5 = around 6.4</output>

<result>32/5 = around 6.4</result>