The tortoise and the hare run a race of 1000 meters, the tortoise climbs 10 meters per minute, and the rabbit runs 200 meters per minute. The rabbit thinks he is fast and sleeps on the way. As a result, when the tortoise reached the finish line and the rabbit was 200 meters away from the finish line, how long did the rabbit sleep on the way?
龟兔赛跑，全程1000米，龟每分爬10米，兔每分跑200米，兔以为自己很快，在途中睡觉．结果龟到终点时，兔离终点时，兔离终点还有200米，兔子在途中睡了多久？
<gadget id="calculator">1_000 / 10</gadget>
<output>100</output>

<gadget id="calculator">1_000 - 200</gadget>
<output>800</output>

<gadget id="calculator">800 / 200</gadget>
<output>4</output>

<gadget id="calculator">100 - 4</gadget>
<output>96</output>

<result>96</result>