There are 480 students in grades 4, 5, and 6 in a certain school. The number of students in grade 5 is more than that of grade 4 (1/8), and the number of students in grade 6 is 14 fewer than that of grade 5. How many students are there in grade 4?
某校四、五、六年级共有学生480人，五年级的人数比四年级的人数多(1/8)，六年级的人数比五年级的人数少14人，求四年级有多少人？
<gadget id="calculator">480 + 14</gadget>
<output>494</output>

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

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

<gadget id="calculator">(9/8) * 2</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">1 + (9/4)</gadget>
<output>13/4 = around 3.25</output>

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

<result>152</result>