Every night, Xiaoxiao spends (1/5) time doing math homework, (1/3) time doing Chinese homework, and 15 minutes listening to English recordings. How much time does she spend doing homework every night?
每天晚上，笑笑用(1/5)时做数学作业，用(1/3)时做语文作业，用15分钟听英语录音，她每晚做作业的时间有多少时？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<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">(1/5) + (1/3) + (1/4)</gadget>
<output>47/60 = around 0.783333</output>

<result>47/60 = around 0.783333</result>