My aunt's family wants to drive to the Expo. It is about 436 kilometers from Jinan to the Expo. Uncle Zhang departs from Jinan at 5:00 in the morning and arrives at the Expo at 9:00 in the morning. What is the approximate speed of Uncle Zhang in kilometers per hour?
姑姑全家要开车来世园会游玩，从济南到世园会大约有436千米．张叔叔早上5：00从济南出发，上午9：00到达世园会，张叔叔行驶的大约速度是多少千米/时．
<gadget id="calculator">436 / 4</gadget>
<output>109</output>

<result>109</result>