If a car drives from A to B, if the speed is increased by 20%, it can arrive 1 hour earlier than the original time; if it travels 180 kilometers at the original speed, and then increases the speed by 25%, it can arrive 40 minutes earlier arrive. How many kilometers are there between A and B?
一辆汽车从甲地开往乙地，如果把车速提高20%，可以比原定时间提早1小时到达；如果以原速行驶180千米后，再将速度提高25%，则可提前40分到达．甲、乙两地相距多少千米？
<gadget id="calculator">225 - 180</gadget>
<output>45</output>

<gadget id="calculator">20 / 3</gadget>
<output>20/3 = around 6.666667</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1 / (6/5)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>

<gadget id="calculator">(20/3) - 6</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">45 / (2/3)</gadget>
<output>135/2 = around 67.5</output>

<gadget id="calculator">(135/2) * 6</gadget>
<output>405</output>

<result>405</result>