The attendance rate of the 6th class of a certain school is 92% on Monday and 98% on Tuesday.
某校六一班周一的出勤率是92%，周二的出勤率是98%，这两天都出勤的至少有多少
<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">92 / 100</gadget>
<output>23/25 = around 0.92</output>

<gadget id="calculator">1 - (23/25)</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">(49/50) - (2/25)</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>