All 45 students from Class 1 participated in the Children's Palace. Among them (2/5) participated in the chess group, (1/3) students participated in the table tennis group, how many more students participated in the chess group than in the table tennis group?
六1班45名同学全部参加少年宫．其中的(2/5)参加了棋艺组，(1/3)的同学参加了乒乓球组，参加棋艺组的同学比参加乒乓球组的多多少人？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/5) - (1/3)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">45 * (1/15)</gadget>
<output>3</output>

<result>3</result>