The screening time of a children's drama is (2/3) hours, and the screening time of a science and education film is (1/4) longer than this children's drama. How many hours is the running time of this science-education film?
一部儿童剧的放映时间是(2/3)小时，一部科教片的放映时间比这部儿童剧长(1/4)．这部科教片的放映时间是多少小时？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(2/3) * (5/4)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>