There are 480 students in three grades in a certain school. The number of students in the fifth grade is more than that of the fourth grade (1/8), and the number of students in the sixth grade is 14 less than that of the fifth grade. How many students are there in the sixth grade?
某校三个年级共有学生480人，五年级的人数比四年级多(1/8)，六年级的人数比五年级少14人，六年级有多少人？
<gadget id="calculator">14 + 480</gadget>
<output>494</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 + (1/8) + 1 + (1/8) + 1</gadget>
<output>13/4 = around 3.25</output>

<gadget id="calculator">494 / (13/4)</gadget>
<output>152</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">152 * (9/8)</gadget>
<output>171</output>

<gadget id="calculator">171 - 14</gadget>
<output>157</output>

<result>157</result>