There are 200 students in the fourth grade and 245 students in the fifth grade, which is equivalent to the number of the fourth grade.
四年级有200人，五年级有245人，相当于四年级的多少．
<gadget id="calculator">245 / 200</gadget>
<output>49/40 = around 1.225</output>

<result>49/40 = around 1.225</result>