Xiao Ming's father deposited 80% of last month's salary in the bank, and the remaining salary was 360 yuan. How much was Xiao Ming's father's salary last month?
小明的爸爸将上月工资的80%存人银行，这时还剩下工资360元，小明爸爸上月的工资是多少？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">360 / (1/5)</gadget>
<output>1_800</output>

<result>1_800</result>