The interest group holds a one-minute rope skipping competition. Nini jumps 120 times per minute, which is 1/5 more than Jingjing. How many times does Jingjing jump per minute?
兴趣小组举行一分钟跳绳比赛，妮妮每分钟跳120下，比晶晶每分钟多跳(1/5)，晶晶每分钟跳多少下？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">120 / (6/5)</gadget>
<output>100</output>

<result>100</result>