The time for Xiao Ming to run 100 meters is shortened (1/10) compared with the original one, and the speed is increased by how much.
小明跑100米的时间比原来缩短了(1/10)，速度比原来提高了多少．
<gadget id="calculator">10 - 9</gadget>
<output>1</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>