On both sides of a path, a tree is planted every 5 meters (both ends are planted), and a total of 202 trees are planted. How long is this path in meters?
一条小道两旁，每隔5米种一棵树(两端都栽)，共种202棵树，这条路长多少米？
<gadget id="calculator">202 / 2</gadget>
<output>101</output>

<gadget id="calculator">101 - 1</gadget>
<output>100</output>

<gadget id="calculator">100 * 5</gadget>
<output>500</output>

<result>500</result>