Sew a lace around a circular tablecloth with a diameter of 2.4 meters, leaving 8 cm at the joint, how many meters is the length of this lace?
在一块直径是2.4米的圆形桌布周围缝一条花边，接头处剩余8厘米，这条花边长多少米．
<gadget id="calculator">2.4 * 3.14</gadget>
<output>7.536</output>

<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">7.536 + (2/25)</gadget>
<output>7.616</output>

<result>7.616</result>