Xiaodong plans to go to Forest Park. If he goes by bus at 40 kilometers per hour, he will arrive 4 hours earlier than cycling; if he runs at 8 kilometers per hour, he will arrive 6 hours later than cycling. ． How many kilometers is the distance from Xiaodong's starting point to the forest park?
小东计划到森林公园玩，如果坐客车以每小时40千米的速度去，那么比骑车早到4小时；如果以每小时8千米的速度跑步去，那么比骑车晚到6小时．小东的出发地点到森林公园有多少千米．
<gadget id="calculator">208 / 32</gadget>
<output>13/2 = around 6.5</output>

<gadget id="calculator">(13/2) - 4</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">40 * (5/2)</gadget>
<output>100</output>

<result>100</result>