A car has traveled 25% of the way from point A to point B, and there are still 120 kilometers left. How many kilometers has it traveled?
一辆汽车从甲地开往乙地，已行驶了全程的25%，还剩下120千米，已行了多少千米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 / (3/4)</gadget>
<output>160</output>

<gadget id="calculator">160 * (1/4)</gadget>
<output>40</output>

<result>40</result>