Car A and car B leave from A and B, which are 420 kilometers apart, at the same time. After 2 hours, car A has traveled (1/4) of the whole journey, and car B has traveled (1/3) of the whole distance. At this time How many miles are the two cars apart?
甲、乙两车同时从相距420千米的A、B两地相对开出，2小时后甲车行了全程的(1/4)，乙车行了全程的(1/3)，这时两车相距多少千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/3) - (1/4)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">420 * (5/12)</gadget>
<output>175</output>

<result>175</result>