The fifth grade students of a certain school (3 classes in total) line up, with 4, 6 or 9 students in each row, and only 1 person in the last row. How many fifth grade students are there in this school?
某校五年级(共3个班)的学生排队，每排4人、6人或9人，最后一排都只有1人．这个学校五年级有多少名学生．
<gadget id="calculator">2 * 2 * 3 * 3</gadget>
<output>36</output>

<gadget id="calculator">36 * 3</gadget>
<output>108</output>

<gadget id="calculator">108 + 1</gadget>
<output>109</output>

<result>109</result>