Xiao Ming made a circular frame with iron wire, and its diameter is 35 cm. Please help Xiao Jun calculate how many centimeters of iron wire will be used to make this round frame.
小明用铁丝做了一个圆形框，它的直径是35厘米，请你帮小军算一算做这个圆框要用多少厘米铁丝．
<gadget id="calculator">3.14 * 35</gadget>
<output>109.9</output>

<result>109.9</result>