To circle the runway, Xiao Ming took 75 seconds, and Xiao Liang took 80 seconds. What percentage of Xiao Ming's speed is Xiao Liang's?
绕跑道一圈，小明用了75秒，小亮用了80秒，小亮的速度是小明速度的百分之几？
<gadget id="calculator">1 / 80</gadget>
<output>1/80 = around 0.0125</output>

<gadget id="calculator">1 / 75</gadget>
<output>1/75 = around 0.013333</output>

<gadget id="calculator">(1/80) / (1/75)</gadget>
<output>15/16 = around 0.9375</output>

<result>15/16 = around 0.9375</result>