There are 101 electric poles on one side of the road, and the distance between each two electric poles is 50 meters. Now we need to plant 401 poplar trees at equal distances on the other side of the road. , ask what is the distance between the two trees?
一条公路的一侧有101根电线杆两端都有，每两根电线杆之间的间距是50米，现在要在这条公路的另一侧等距离栽上401棵杨树两端都种，问两棵树之间的间距是多少？
<gadget id="calculator">101 - 1</gadget>
<output>100</output>

<gadget id="calculator">50 * 100</gadget>
<output>5_000</output>

<gadget id="calculator">401 - 1</gadget>
<output>400</output>

<gadget id="calculator">5_000 / 400</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>