Xiao Ming and Xiao Hua compete in a 100-meter sprint race. In the first race, when Xiao Ming ran to the finish line, Xiao Hua was still 20 meters away. In the second race, Xiao Ming started running 20 meters behind the starting line, Xiao Hua started running from the starting line, and the two ran at the same speed as in the first race. Who will reach the finish line first in the second race? When reaching the finish line, how many meters is the other one from the finish line?
小明和小华两个人进行100米短跑比赛的游戏．第一次比赛，当小明跑到终点时，小华还差20米．第二次比赛，小明从起跑线后20米开始跑，小华从起跑线开始跑，两人跑的速度与第一次比赛时一样．问第二次比赛时谁先到达终点？到达终点时，另一个离终点还有几米？
<gadget id="calculator">100 / 80</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / (5/4)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">20 * (1/5)</gadget>
<output>4</output>

<result>4</result>