One day after the heavy snowfall, Da Liang and his father measured the circumference of a circular garden together. They started from the same direction and walked in exactly the same direction. Da Liang’s step length was 54 cm, while his father’s step length was 72 cm. Because their footprints overlapped Yes, so only 60 footprints are left on the snow after each circle. Find the circumference of the wreath.
大雪后的一天，大亮和爸爸共同步测一个圆形花圃的周长，他俩的起点和走的方向完全相同，大亮每步长54厘米，爸爸每步长72厘米，由于两人脚印有重合的，所以各走完一圈后雪地上只留下60个脚印，求花圈的周长．
<gadget id="calculator">60 / 6</gadget>
<output>10</output>

<gadget id="calculator">72 * 3</gadget>
<output>216</output>

<gadget id="calculator">10 * 216</gadget>
<output>2_160</output>

<result>2_160</result>