There are 36 students in a certain class, of which (1/3) students signed up for the table tennis extracurricular activity class, and (2/9) students signed up for the badminton extracurricular activity class. Question: How many more students participate in the table tennis extracurricular activity class than the badminton extracurricular activity class?
某班级共有学生36人，其中(1/3)的同学报名参加乒乓球课外活动班，(2/9)的同学报名参加了羽毛球课外活动班．问：参加乒乓球课外活动班的同学比参加羽毛球课外活动班的同学多几人？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">36 * (1/3)</gadget>
<output>12</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">36 * (2/9)</gadget>
<output>8</output>

<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<result>4</result>