An ostrich runs 40 kilometers per hour, a rabbit runs 1.4 times the distance per hour, and an antelope runs 1.2 times the distance per hour, how many kilometers does the antelope run per hour?
一只鸵鸟每小时跑40公里，一只兔子每小时跑的路程是鸵鸟的1.4倍，一只羚羊每小时跑的路程是兔子的1.2倍，羚羊每小时跑多少公里？
<gadget id="calculator">40 * 1.4 * 1.2</gadget>
<output>67.2</output>

<result>67.2</result>