The fourth grade plans to plant 150 saplings on the Arbor Day, 72 of which have already been planted, and the rest will be distributed to 26 students to plant. How many saplings will each student plant on average?
四年级在植树节准备栽150棵树苗，已经栽好了72棵，剩下的分给26个同学去栽，平均每个同学要栽多少棵？
<gadget id="calculator">150 - 72</gadget>
<output>78</output>

<gadget id="calculator">78 / 26</gadget>
<output>3</output>

<result>3</result>