If the total number of students in a school is 75 less than 6 times the number of students in the fourth grade, and the total number of students in all grades except the fourth grade is 1225, then how many students are there in the school?
某校学生总人数比四年级人数的6倍少75人，并且除了四年级外其他各年级的学生人数总和为1225人，那么该校共有学生多少人．
<gadget id="calculator">75 + 1_225</gadget>
<output>1_300</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">1_300 / 5</gadget>
<output>260</output>

<gadget id="calculator">260 * 6</gadget>
<output>1_560</output>

<gadget id="calculator">1_560 - 75</gadget>
<output>1_485</output>

<result>1_485</result>