The circumference of a large tree measured from a height of 1 meter above the ground is 3.14 meters. What is the approximate diameter of it here?
一棵大树从离地面1米高处测得周长是3.14米．它此处的直径大约为多少米．
<gadget id="calculator">3.14 / 3.14</gadget>
<output>1</output>

<result>1</result>