Master Li processes a batch of parts, 188 are qualified and 12 are unqualified. What is the pass rate of this batch of parts?
李师傅加工一批零件，由188个合格，12个不合格，这批零件的合格率是多少．
<gadget id="calculator">188 + 12</gadget>
<output>200</output>

<gadget id="calculator">188 / 200</gadget>
<output>47/50 = around 0.94</output>

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

<gadget id="calculator">(47/50) * 1</gadget>
<output>47/50 = around 0.94</output>

<result>47/50 = around 0.94</result>