Xiao Zhang's monthly salary this year is 1440 yuan, which is 120% of last year's monthly salary. What was his monthly salary last year?
小张今年的月工资是1440元，是去年月工资的120%，他去年的月工资是多少元．
<gadget id="calculator">120 / 100</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1_440 / (6/5)</gadget>
<output>1_200</output>

<result>1_200</result>