Cheetahs are 2.25 times faster than horses. If the horse runs 64.4 kilometers per hour, how much more kilometers per hour does the cheetah run than the horse?
猎豹的速度是马的2.25倍．如果马每时跑64.4千米，猎豹每时比马多跑多少千米？
<gadget id="calculator">64.4 * 2.25</gadget>
<output>144.9</output>

<gadget id="calculator">144.9 - 64.4</gadget>
<output>80.5</output>

<result>80.5</result>