A typist types a manuscript. On the first day, 1/4 of the total number was typed, on the second day, 40% of the total amount was typed, and 6 more pages were typed on the second day than on the first day. How many pages does this manuscript have?
一个打字员打一篇稿件．第1天打了总数的(1/4)，第2天打了总数的40%，第2天比第1天多打6页．这篇稿件共有多少页？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(2/5) - (1/4)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">6 / (3/20)</gadget>
<output>40</output>

<result>40</result>