To type a manuscript, I typed (1/3) of all manuscripts on the first day, and typed (1/4) of all manuscripts on the second day. If I want to print all manuscripts, how much do I need to type all manuscripts?
打一份稿件，第一天打了全部稿件的(1/3)，第二天打了全部稿件的(1/4)，要打完全部稿件，还要打全部稿件的多少
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">1 - (1/3) - (1/4)</gadget>
<output>5/12 = around 0.416667</output>

<result>5/12 = around 0.416667</result>