According to the regulation that 5.4% of personal income tax is levied on the monthly income exceeding 800 yuan, Xiao Zhang has to pay 27 yuan of personal income tax every month. How much is Xiao Zhang's monthly income?
按照每月收入中超过800元的要征收5.4%的个人所得税的规定，小张每月要上缴个人所得税27元，小张每月收入多少元？
<gadget id="calculator">5.4 / 100</gadget>
<output>0.054</output>

<gadget id="calculator">27 / 0.054</gadget>
<output>500</output>

<gadget id="calculator">500 + 800</gadget>
<output>1_300</output>

<result>1_300</result>