After a batch of products are inspected, 392 pieces are qualified and 8 pieces are unqualified. What is the pass rate?
一批产品经检验，合格的有392件，8件不合格，合格率是多少．
<gadget id="calculator">392 + 8</gadget>
<output>400</output>

<gadget id="calculator">392 / 400</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>