A batch of parts is sampled and tested, 47 of which are qualified and 3 are overweight. What is the pass rate of this batch of parts?
抽样检测一批零件，其中47件合格，3件超重，这批零件的合格率是多少．
<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>