A ship sails 12.5 kilometers per hour and arrives at its destination at 48 hours. How long will it take the ship to reach its destination if it sails 15 kilometers per hour?
一艘轮船每时航行12.5千米，48时到达目的地．如果每时航行15千米，这艘轮船需要几时才能到达目的地？
<gadget id="calculator">48 / 15</gadget>
<output>16/5 = around 3.2</output>

<gadget id="calculator">12.5 * (16/5)</gadget>
<output>40</output>

<result>40</result>