A toy factory plans to produce 800 toys, and completed the task (1/5) in the first week, and completed 25% of the task in the second week. How many fewer toys were produced in the first week than in the second week?
某玩具厂计划生产800个玩具，第一周完成了任务的(1/5)，第二周完成了任务的25%，第一周比第二周少生产多少个？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">800 * (1/4)</gadget>
<output>200</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">800 * (1/5)</gadget>
<output>160</output>

<gadget id="calculator">200 - 160</gadget>
<output>40</output>

<result>40</result>