All the students in the fourth grade participate in the broadcasting exercise competition and enter the arena in a 4-way column. The length of the team is 230 meters, and the distance between the front and back of each team is 2 meters. How many students are there in fourth grade?
四年级的全体学生参加广播操比赛，排成4路纵队入场，队伍长230米，每队中前后两人相距2米．四年级共有多少名学生？
<gadget id="calculator">230 / 2</gadget>
<output>115</output>

<gadget id="calculator">115 + 1</gadget>
<output>116</output>

<gadget id="calculator">116 * 4</gadget>
<output>464</output>

<result>464</result>