There were 320 students graduating from the elementary school of the public school last year. The number of students graduating this year is 5% less than that of last year. How many students are graduating this year?
公学小学部去年毕业的学生有320人，今年毕业的学生比去年毕业的减少5%，今年毕业的学生有多少人．
<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">320 * (19/20)</gadget>
<output>304</output>

<result>304</result>