There are some people doing exercises and skipping rope on the playground. Among them, there are 28 people doing exercises. If there are 6 more people participating in rope skipping, then the number of people participating in rope skipping is 4 more than those doing exercises. How many people actually skipped rope?
操场上有一些人在做操和跳绳．其中做操的有28人，如果再来6人参加跳绳，那么参加跳绳的人数比做操的多4人．原来跳绳的有多少人？
<gadget id="calculator">28 + 4</gadget>
<output>32</output>

<gadget id="calculator">32 - 6</gadget>
<output>26</output>

<result>26</result>