Sunshine Primary School has 318 students in the third grade and 276 students in the fourth grade. How many more students are in the third grade than in the fourth grade?
阳光小学三年级有318人，四年级有276人，三年级比四年级多多少人？
<gadget id="calculator">318 - 276</gadget>
<output>42</output>

<result>42</result>