A 350-meter-long road, if a tree is planted every 5 meters on both sides of the road (both ends are planted), how many trees can be planted in total?
一条350米长的公路，如果在公路的两边每隔5米种一棵树(两端都种)，一共可以种多少棵树？
<gadget id="calculator">350 / 5</gadget>
<output>70</output>

<gadget id="calculator">70 + 1</gadget>
<output>71</output>

<gadget id="calculator">71 * 2</gadget>
<output>142</output>

<result>142</result>