Given that the circumference of a circle is 106.76 decimeters, what is the radius of the circle?
已知圆的周长是106.76分米，圆的半径是多少．
<gadget id="calculator">3.14 * 2</gadget>
<output>6.28</output>

<gadget id="calculator">106.76 / 6.28</gadget>
<output>17</output>

<result>17</result>