All the students in the fourth grade just stood in a rectangular square (the number of people in each row is the same), and Xiao Ming counted 11 from the front and 14 from the back. If the number from the left is the 5th and the number from the right is the 14th, how many people are there in the fourth grade?
四年级全体同学正好站成一个长方形的方阵(每排人数一样多)，小明从前面数是11个，从后面数是第14个．如果从左面数是第5个，从右面数是第14个，四年级一共有多少人？
<gadget id="calculator">14 - 1</gadget>
<output>13</output>

<gadget id="calculator">5 + 13</gadget>
<output>18</output>

<gadget id="calculator">11 + 13</gadget>
<output>24</output>

<gadget id="calculator">18 * 24</gadget>
<output>432</output>

<result>432</result>