There are 200 parts in a batch, and 10 are rejected after inspection. What is the pass rate of this batch of parts?
一批零件有200个，经检验有10个废品，这批零件的合格率是多少．
<gadget id="calculator">200 - 10</gadget>
<output>190</output>

<gadget id="calculator">190 / 200</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>