The red boy stabbed at it with his spear, and the Bodhisattva turned into golden light and went straight to the sky. The red boy thought that the Bodhisattva was invincible, so he snatched the Qianye lotus platform and sat on it happily. The red boy's skin was torn apart, and the Bodhisattva took out a round golden hoop and threw it on the red boy, shouting "Ah!" and put it on the top of his head. The diameter of the original golden hoop was 24 cm. The diameter then shrinks (1/12). After chanting the mantra once, how many centimeters is the circumference of the golden hoop?
红孩儿举枪刺去，菩萨顿时化作金光直上九霄，红孩儿以为菩萨不敌，抢得千叶莲台，正欢喜坐上，莲叶转眼花彩俱无、祥光散去，变回刀尖，刺得红孩儿皮开肉绽，菩萨并取出一个圆形金箍往红孩儿身上抛去，叫声「着！」旋即套在他头顶上，原金箍直径24公分，菩萨每念一次「金箍咒」，直径便缩小(1/12)，请问念一次咒语后，金箍的圆周是几公分？
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 - (1/12)</gadget>
<output>11/12 = around 0.916667</output>

<gadget id="calculator">(11/12) / 2</gadget>
<output>11/24 = around 0.458333</output>

<gadget id="calculator">24 * (11/24)</gadget>
<output>11</output>

<gadget id="calculator">2 * 3.14 * 11</gadget>
<output>69.08</output>

<result>69.08</result>