A quality and technology supervision institute of a certain city recently randomly checked a batch of 50 computers in the market, and one of them was unqualified. What is the pass rate of this batch of computers?
某市质量技术监督所最近在市场上抽查一批电脑共50台，其中不合格的有1台，这批电脑的合格率是多少．
<gadget id="calculator">50 - 1</gadget>
<output>49</output>

<gadget id="calculator">49 / 50</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>