If a wire is wrapped around a bucket with a radius of 25 cm, and the joint is 9 cm, what is the length of the wire in cm?
在一个半径为25厘米的水桶外面围一圈铁丝，接头处为9厘米，那么这段铁丝长多少厘米．
<gadget id="calculator">3.14 * 2 * 25</gadget>
<output>157</output>

<gadget id="calculator">157 + 9</gadget>
<output>166</output>

<result>166</result>