Xiao Ming spent (3/4) hours walking from school to the gymnasium, Xiao Qing spent (1/5) less than Xiao Ming, and Xiao Wang spent (1/15) more hours than Xiao Qing. How long did it take Xiao Wang to get to the gym?
从学校步行到体育馆，小明花了(3/4)小时，小青比小明少花(1/5)小时，小王比小青多花了(1/15)小时．小王花了多少时间到达体育馆？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(3/4) - (1/5)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(11/20) + (1/15)</gadget>
<output>37/60 = around 0.616667</output>

<result>37/60 = around 0.616667</result>