car drives from A to B at a certain speed, and after traveling (1/2) of the whole distance, the speed increases by 10%, then the time spent actually traveling the whole distance is shorter than the time spent traveling the whole distance at the original speed reduce((())/(())).
一辆汽车以一定的速度从甲地开往乙地，行了全路程的(1/2)后，速度提高了10%，那么实际行全路程所用时间比按原来的速度行全路程所用时间减少((())/(()))．
<gadget id="calculator">1 / 1</gadget>
<output>1</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">(1/2) / (11/10)</gadget>
<output>5/11 = around 0.454545</output>

<gadget id="calculator">(1/2) + (5/11)</gadget>
<output>21/22 = around 0.954545</output>

<gadget id="calculator">1 - (21/22)</gadget>
<output>1/22 = around 0.045455</output>

<gadget id="calculator">(1/22) / 1 / 1</gadget>
<output>1/22 = around 0.045455</output>

<result>1/22 = around 0.045455</result>