There are 364 fifth-grade students, and the number of fifth-grade students is 1.4 times that of fourth-grade students. How many students are there in the fourth and fifth grades? (column equation solution)
五年级学生有364人，五年级学生人数是四年级学生人数1.4倍．四、五年级一共有学生多少人？(列方程解答)
<gadget id="calculator">364 / 1.4</gadget>
<output>260</output>

<gadget id="calculator">260 + 364</gadget>
<output>624</output>

<result>624</result>