There are 480 students in Baihua Hutong Primary School, 85% of the students have participated in accident insurance. How many students are there without insurance?
百花胡同小学有480人，有85%的学生参加了意外事故保险．没有参加保险的学生有多少人？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">480 * (3/20)</gadget>
<output>72</output>

<result>72</result>