There are 650 students in Yucai Primary School, 94% of them are insured, how many students are not insured?
育才小学有学生650人，其中有94%的学生入了保险，没有入保险的学生有多少人？
<gadget id="calculator">94 / 100</gadget>
<output>47/50 = around 0.94</output>

<gadget id="calculator">1 - (47/50)</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">650 * (3/50)</gadget>
<output>39</output>

<result>39</result>