There are 150 students in the sixth grade, and 3 people asked for leave today. What is the attendance rate of the sixth grade today?
六年级共有150人，今天请假的有3人，六年级今天的出勤率为多少
<gadget id="calculator">150 - 3</gadget>
<output>147</output>

<gadget id="calculator">147 / 150</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>