A rabbit runs 22.5 kilometers in 0.5 hours, and a giraffe runs 50.85 kilometers per hour. How many times faster is this giraffe than a rabbit?
一只兔子0.5小时跑22.5千米，一只长颈鹿每小时跑50.85千米．这只长颈鹿的速度是兔子的多少倍？
<gadget id="calculator">22.5 / 0.5</gadget>
<output>45</output>

<gadget id="calculator">50.85 / 45</gadget>
<output>1.13</output>

<result>1.13</result>