The washing machine factory assembles a batch of washing machines, and plans to assemble 340 units per day, and complete the task in 20 days. In fact, the task was completed in only 17 days. How many more washing machines were assembled per day than planned?
洗衣机厂装配一批洗衣机，计划每天装配340台，20天完成任务．实际只用17天就完成了任务，实际每天比计划每天多装配多少台洗衣机？
<gadget id="calculator">20 / 17</gadget>
<output>20/17 = around 1.176471</output>

<gadget id="calculator">340 * (20/17)</gadget>
<output>400</output>

<gadget id="calculator">400 - 340</gadget>
<output>60</output>

<result>60</result>