Teacher Wang does outdoor exercise every morning. On the first day, he ran 2000 meters and walked 1000 meters, which took 24 minutes; on the second day, he ran 3000 meters and walked 500 meters, which took 22 minutes. Mr. Wang's speed is always the same when running, and the speed is always the same when walking. What is the speed of Mr. Wang running?
王老师每天早上做户外运动，他第一天跑步2000米，散步1000米，共用24分钟；第二天他跑步3000米，散步500米，共用22分钟．王老师跑步时的速度总是一样的，散步时的速度也总是一样的．王老师跑步的速度是多少．
<gadget id="calculator">3_000 * 2</gadget>
<output>6_000</output>

<gadget id="calculator">6_000 - 2_000</gadget>
<output>4_000</output>

<gadget id="calculator">22 * 2</gadget>
<output>44</output>

<gadget id="calculator">44 - 24</gadget>
<output>20</output>

<gadget id="calculator">4_000 / 20</gadget>
<output>200</output>

<result>200</result>