Mom's phone bill in May is 85 yuan, and dad's phone bill is 3 yuan less than mom's 2.2 times. How much is dad's phone bill in May?
妈妈五月份的话费85元，爸爸的话费比妈妈的2.2倍少3元，爸爸五月份的话费是多少元？
<gadget id="calculator">85 * 2.2</gadget>
<output>187</output>

<gadget id="calculator">187 - 3</gadget>
<output>184</output>

<result>184</result>