Master Wang makes a batch of parts, 47 are qualified and 3 are unqualified. What is the pass rate of the parts?
王师傅做一批零件，47个合格，3个不合格，零件的合格率为多少．
<gadget id="calculator">47 + 3</gadget>
<output>50</output>

<gadget id="calculator">47 / 50</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>