Uncle's income this year is 115,500 yuan, which is 1.4 times that of last year. How much did the uncle's family earn last year?
伯伯家今年收入11.55万元，是去年的1.4倍．伯伯家去年收入多少万元？
<gadget id="calculator">11.55 / 1.4</gadget>
<output>8.25</output>

<result>8.25</result>