Take a steel billet whose edge length is 4 decimeters, and forge it into a steel plate with a length of 16 decimeters and a width of 8 decimeters. How many decimeters is the thickness of the steel plate?
把一块棱长是4分米的钢坯，把它锻造成长16分米，宽8分米的钢板，钢板厚多少分米？
<gadget id="calculator">16 * 8</gadget>
<output>128</output>

<gadget id="calculator">4 / 128</gadget>
<output>1/32 = around 0.03125</output>

<gadget id="calculator">4 * 4 * (1/32)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>