A lace is sewn around a circular tablecloth with a diameter of 1.2 meters, and the joint is 5 cm. How many meters is the length of this lace?
在一个直径是1.2米的圆形桌布周围缝一条花边，接头处5厘米，这条花边长多少米．
<gadget id="calculator">3.14 * 1.2</gadget>
<output>3.768</output>

<gadget id="calculator">3.768 + 0.05</gadget>
<output>3.818</output>

<result>3.818</result>