The special postal vehicle delivers mail from the post office to the Science and Technology Museum. It travels 32 kilometers per hour and arrives in 5 hours. Today, there is an urgent mail that will be delivered in 4 hours. How many kilometers does it need to travel per hour?
邮递专车从邮局给科技馆送邮件，每小时行驶32千米，5小时到达，今天有一急件要4小时送达，每小时需要行驶多少千米？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">32 * (5/4)</gadget>
<output>40</output>

<result>40</result>