batch of parts, the number of unqualified products is the number of qualified products (1/49), what is the pass rate of this batch of parts
一批零件，不合格产品的数量是合格产品数量的(1/49)，这批零件的合格率是多少
<gadget id="calculator">1 + 49</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>