Teacher Wang led the students to plant a tree every 5 meters on both sides of the 500-meter-long road, and plant trees at both ends. How many trees should be planted in total?
王老师带学生在马路长500米的两边每隔5米进行植一棵树，两端都植树，一共要植多少棵树．
<gadget id="calculator">500 / 5</gadget>
<output>100</output>

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

<gadget id="calculator">101 * 2</gadget>
<output>202</output>

<result>202</result>