There are 250 teachers in Yucai Primary School, and 220 of them have reached the second level or above in the Putonghua proficiency test (level two or above is regarded as the standard level). What is the Putonghua compliance rate of the teachers in this school?
育才小学有教师250人，已达到普通话等级测试二乙级或以上等级(二乙级或以上等级视为达标等级)的人数有220人，该校教师普通话的达标率是多少？
<gadget id="calculator">220 / 250</gadget>
<output>22/25 = around 0.88</output>

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

<gadget id="calculator">(22/25) * 1</gadget>
<output>22/25 = around 0.88</output>

<result>22/25 = around 0.88</result>