Yucai Primary School has 1,400 students, and only 10% of the students have not participated in accident insurance. How many students participate in accident insurance?
育才小学有学生1400人，只有一成的学生没有参加意外事故保险．参加意外事故保险的学生有多少人．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1_400 * (9/10)</gadget>
<output>1_260</output>

<result>1_260</result>