Xiao Ming wraps a rope around a pillar with a diameter of 40 cm, and there is 14.4 cm left. How long is the rope in centimeters?
小明用一根绳子在直径是40厘米的柱子上绕一圈，还剩14.4厘米，这根绳子全长多少厘米？
<gadget id="calculator">3.14 * 40</gadget>
<output>125.6</output>

<gadget id="calculator">125.6 + 14.4</gadget>
<output>140</output>

<result>140</result>