A factory planned to produce 500 machine tools in April, but actually produced 80 more machines. What percentage of the plan was actually completed?
某工厂计划四月份生产机床500台，实际多生产80台，实际完成了计划的百分之几？
<gadget id="calculator">500 + 80</gadget>
<output>580</output>

<gadget id="calculator">580 / 500</gadget>
<output>29/25 = around 1.16</output>

<result>29/25 = around 1.16</result>