Use a 2-meter piece of wood and saw it into 4 pieces of the same length to make stool legs. How many decimeters is the height of this stool?
用一根2米的木料，锯成同样长的4根做凳子腿．这个凳子的高是多少分米？
<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">20 / 4</gadget>
<output>5</output>

<result>5</result>