tortoise can crawl 0.15 kilometers in 0.6 hours, and a spider can crawl 6.2 times faster than it. What is the speed of a spider?
一只乌龟0.6小时可以爬行0.15千米，蜘蛛爬行的速度是它的6.2倍，蜘蛛爬行的速度是多少？
<gadget id="calculator">0.15 / 0.6</gadget>
<output>0.25</output>

<gadget id="calculator">0.25 * 6.2</gadget>
<output>1.55</output>

<result>1.55</result>