From school to the cinema, Xiaoqiang walked for 8 minutes, Xiaoying walked for 10 minutes, how much faster is Xiaoqiang than Xiaoying
从学校走到电影院，小强走了8分钟，小英走了10分钟，小强比小英的速度快多少
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/8) - (1/10)</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">(1/40) / (1/10)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>