There are 203 students in the third grade of Hujiashan Primary School, which is 66 fewer than the fourth grade. How many students are there in total?
胡家山小学三年级有203人，比四年级少66人，三、四年级一共多少人？
<gadget id="calculator">203 + 66 + 203</gadget>
<output>472</output>

<result>472</result>