A cartoon movie has 800 audiences, of which adult audiences account for (2/5), how many fewer adult audiences than children audiences?
一场卡通电影有观众800人，其中成人观众占了(2/5)，成人观众比儿童观众少多少人？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

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

<result>160</result>