Master Wang inspects a batch of parts, 147 are qualified and 3 are unqualified, find the pass rate of this batch of parts.
王师傅检查一批零件，合格的有147个，不合格的有3个，求这批零件的合格率．
<gadget id="calculator">147 + 3</gadget>
<output>150</output>

<gadget id="calculator">147 / 150</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>