A certain class of students wants to plant a batch of saplings. If each student is allocated k saplings, there will be 38 left; if each student is allocated 9 saplings, there will be 3 left. Then how many students are there in this class?
某班学生要栽一批树苗．若每个人分配k棵树苗，则剩下38棵；若每个学生分配9棵树苗，则还差3棵，那么这个班共有多少名学生．
<gadget id="calculator">9 - 8</gadget>
<output>1</output>

<gadget id="calculator">41 / 1</gadget>
<output>41</output>

<result>41</result>