Among the parts processed by Mr. Wang, 49 are qualified and 1 is unqualified. What is the pass rate?
王师傅加工的零件中，49个合格，1个不合格，合格率是多少．
<gadget id="calculator">49 + 1</gadget>
<output>50</output>

<gadget id="calculator">49 / 50</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>