It is clear that the circumference of a tree trunk is 125.6 cm. What is the diameter of this tree in cm?
明明量得一棵树干的周长是125.6厘米，这棵树的直径是多少厘米？
<gadget id="calculator">125.6 / 3.14</gadget>
<output>40</output>

<result>40</result>