Kodi Electric Co., Ltd. planned to produce 5 million mobile phones last year, but actually produced 500,000 more than planned. What percentage increase?
光地电器股份有限公司去年计划生产移动电话500万部，实际比计划多生产50万部，增产百分之几？
<gadget id="calculator">50 / 500</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>