In the 4*100m relay race, Class 3 of the fourth grade scored 57.36 seconds, of which the first leg took 14.08 seconds, the second leg took 15.23 seconds, and the third leg took 14.21 seconds. Please calculate how long it took the fourth rod? How many seconds faster is the fastest stick than the slowest?
在4*100米的接力赛中，四年级三班的成绩是57.36秒，其中第一棒用了14.08秒，第二棒用了15.23秒，第三棒用了14.21秒．请你算一算第四棒用了多长时间？最快的一棒比最慢的一棒快几秒？
<gadget id="calculator">14.08 + 15.23 + 14.21</gadget>
<output>43.52</output>

<gadget id="calculator">57.36 - 43.52</gadget>
<output>13.84</output>

<gadget id="calculator">15.23 - 13.84</gadget>
<output>1.39</output>

<result>1.39</result>