There are 1,400 students in a certain elementary school, 5% of them do not participate in the interest activity group, how many people participate in the interest activity group?
某小学有1400名学生，其中有5%的学生没有参加兴趣活动小组，参加兴趣活动小组的有多少人？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1_400 * (19/20)</gadget>
<output>1_330</output>

<result>1_330</result>