The turnover of a supermarket this month has increased by 10% compared to last month. What percentage is this month's turnover of last month?
某超市这个月的营业额比上个月增加了10%，这个月的营业额是上个月的百分之几？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<result>11/10 = around 1.1</result>