There are 248 students in the third grade of Sunshine Primary School, which is 63 fewer than the fourth grade students. How many students are there in the fourth grade?
阳光小学三年级有学生248人，比四年级学生少63人，四年级有多少人？
<gadget id="calculator">248 + 63</gadget>
<output>311</output>

<result>311</result>