Class 6 and Class 3 conducted a quality test, 42 people were excellent, and the remaining 6 were good. What is the excellent rate of Class 6 and 3?
六3班进行素质测试，有42人达到优秀，其余6人为良好，六3班的优秀率是多少．
<gadget id="calculator">42 + 6</gadget>
<output>48</output>

<gadget id="calculator">42 / 48</gadget>
<output>7/8 = around 0.875</output>

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

<gadget id="calculator">(7/8) * 1</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>