Master Wang processes a batch of parts, 111 of which pass the inspection and 9 fail. What is the passing rate of this batch of parts?
王师傅加工一批零件，经检验合格的有111个，不合格的有9个，这批零件的合格率是多少．
<gadget id="calculator">111 + 9</gadget>
<output>120</output>

<gadget id="calculator">111 / 120</gadget>
<output>37/40 = around 0.925</output>

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

<gadget id="calculator">(37/40) * 1</gadget>
<output>37/40 = around 0.925</output>

<result>37/40 = around 0.925</result>