The washing machine factory planned to produce 4,800 washing machines last year, but the actual production was 5,400. How many percent was the actual production increase compared to the plan?
洗衣机厂去年计划生产洗衣机4800台，实际生产5400台，实际比计划增产了百分之几？
<gadget id="calculator">5_400 - 4_800</gadget>
<output>600</output>

<gadget id="calculator">600 / 4_800</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>