There are 250 students in the fifth grade, and there are 15 more students in the sixth grade than in the fifth grade (4/5). How many students are there in the sixth grade?
五年级有学生250人，六年级比五年级的(4/5)还多15人，六年级有多少人？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">250 * (4/5)</gadget>
<output>200</output>

<gadget id="calculator">200 + 15</gadget>
<output>215</output>

<result>215</result>