Xiao Ming walked from school to the park in half an hour (1/4), so how many hours will it take to complete the remaining distance at the same speed?
小明从学校到公园用半小时走完了全程的(1/4)，那么剩余的路程用相同的速度需要多少小时走完？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">0.5 / (1/4)</gadget>
<output>2</output>

<gadget id="calculator">2 - 0.5</gadget>
<output>1.5</output>

<result>1.5</result>