A small river with a length of 600 meters is planted with trees on both sides, and one tree is planted every 6 meters, and both ends are planted. How many trees will be planted in total?
一条长600米的小河两边都种上树，每隔6米种1棵，两端都种．一共要种多少棵树？
<gadget id="calculator">600 / 6</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>