There are 203 students in the third grade, and 27 more students in the fourth grade than in the third grade. How many students are there in the third and fourth grades?
三年级有203人，四年级比三年级多27人，三、四年级一共有多少人？
<gadget id="calculator">203 + 27 + 203</gadget>
<output>433</output>

<result>433</result>