If a factory has 47 qualified products and 3 unqualified products, what is the qualified rate of this product?
某工厂有合格产品47件，不合格产品有3件，则该产品的合格率是多少．
<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>