It takes 8 hours for car A to drive from point A to point B, and it takes 10 hours for car B to drive from point A to point B. How much faster is the speed of car A than car B?
甲车从A地开往B地需要8小时，乙车从A地开往B地需要10小时，甲车的速度比乙车块多少
<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>