It snowed heavily at night. In the morning, Xiaolong and his father measured the length of a circular path in the garden. They walked in the same direction from the same point. Each step of the dragon is 54 cm long, and the length of each step of the father is 72 cm. They both returned to the starting point after each lap, leaving only 60 footprints on the snow. So how long is this path?
夜里下了一场大雪，早上，小龙和爸爸一起步测花园里一条环形小路的长度，他们从同一点同向行走．小龙每步长54厘米，爸爸每步长72厘米，两人各走完一圈后又都回到出发点，这时雪地上只留下60个脚印．那么这条小路长多少米．
<gadget id="calculator">60 / 6</gadget>
<output>10</output>

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

<gadget id="calculator">2_160 / 100</gadget>
<output>108/5 = around 21.6</output>

<result>108/5 = around 21.6</result>