A batch of milk is randomly inspected. After inspection, 225 boxes are qualified and 25 boxes are unqualified. What is the pass rate of this batch of milk?
抽查一批牛奶，经检验有225盒合格，25盒不合格，这批牛奶的合格率是多少．
<gadget id="calculator">225 + 25</gadget>
<output>250</output>

<gadget id="calculator">225 / 250</gadget>
<output>9/10 = around 0.9</output>

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

<gadget id="calculator">(9/10) * 1</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>