A rope is 50 meters long. After making 8 skipping ropes of the same length, there are 18 meters left. How many meters is the average length of each skipping rope?
一根绳子长50米，做了8根同样长的跳绳后，还剩18米．平均每根跳绳长多少米？
<gadget id="calculator">50 - 18</gadget>
<output>32</output>

<gadget id="calculator">32 / 8</gadget>
<output>4</output>

<result>4</result>