The students plant trees on one side of the 50-meter-long road, one tree every 5 meters, and both ends are planted. How many trees do you need to prepare in total?
同学们在长50米公路的一边植树，每隔5米中1棵，两端都种，一共需要准备多少棵树．
<gadget id="calculator">50 / 5</gadget>
<output>10</output>

<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<result>11</result>