If a piece of wood with a length of 4 meters is sawn into 8 sections of the same length, how many decimeters are each piece of wood?
把一根长4米的木料，锯成同样长的8段，每段木料大约长多少分米？
<gadget id="calculator">4 * 10</gadget>
<output>40</output>

<gadget id="calculator">40 / 8</gadget>
<output>5</output>

<result>5</result>