The output of a factory this month has increased by 30% compared to last month. What percentage is this month's output of last month?
某工厂本月的产量比上个月增长30%，本月产量是上个月的百分之几？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<result>13/10 = around 1.3</result>