In the sixth grade, 45 people participated in the jigsaw puzzle interest group activities, and more people participated in the calligraphy group than the jigsaw puzzle group (2/5). How many people participated in the calligraphy group in the sixth grade?
六年级有45人参加七巧板兴趣小组活动，参加书法小组的比七巧板小组的多(2/5)．六年级参加书法小组的有多少人？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">45 * (7/5)</gadget>
<output>63</output>

<result>63</result>