The production workshop processed parts and adopted new equipment from June 1st, so the whole month's processing task was completed by June 20th. According to this calculation, how much is overfulfilled by June 30
生产车间加工零件，从6月1日起采用了新设备，所以到6月20日就完成了全月的加工任务．照这样计算，到6月30日超额完成多少
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/20) * 10</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>