Xi Yangyang and Big Big Wolf are running a 20,000-meter race in the stadium, and the speed of Big Big Wolf is 6 times that of Xi Yangyang. When they set off from the starting point together, they ran non-stop. Big Big Wolf ran to a certain place and began to sleep. When Big Big Wolf woke up, Big Big Wolf was 10,000 meters ahead of Big Big Wolf. Big Big Wolf chased after him. 200 meters, so how many meters did Big Big Wolf run happily while sleeping?
喜洋洋和灰太狼在体育场进行20000米赛跑，灰太狼的速度是喜洋洋速度的6倍．当它们从起点一起出发后，喜洋洋不停地跑，灰太狼跑到某一处开始睡觉，当灰太狼醒来后，喜洋洋已经领先灰太狼10000米，灰太狼奋起直追，当喜洋洋到达终点时，灰太狼仍落后200米，那么灰太狼睡觉期间，喜洋洋跑了多少米．
<gadget id="calculator">20_000 * 6</gadget>
<output>120_000</output>

<gadget id="calculator">20_000 - 200</gadget>
<output>19_800</output>

<gadget id="calculator">120_000 - 19_800</gadget>
<output>100_200</output>

<gadget id="calculator">100_200 / 6</gadget>
<output>16_700</output>

<result>16_700</result>