The quality inspector randomly selected 100 toys from 1000 toys for inspection, and found that 2 toys were unqualified. According to this calculation, what is the passing rate of this batch of toys?
质检员在1000个玩具里随意抽出100个进行检查，结果发现2个玩具不合格．照这样计算，这批玩具的合格率是多少
<gadget id="calculator">100 - 2</gadget>
<output>98</output>

<gadget id="calculator">98 / 100</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>