A wire is 125.6 decimeters long, if it is wound into a coil with a radius of 5 cm, how many times can it be wound in total?
一电线长125.6分米，将它绕成半径为5厘米的线圈，一共能绕多少圈？
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 * 3.14 * (1/2)</gadget>
<output>3.14</output>

<gadget id="calculator">125.6 / 3.14</gadget>
<output>40</output>

<result>40</result>