A travels 12 kilometers per hour and B travels 8 kilometers per hour. On a certain day, A travels from East Village to West Village, and B travels from West Village to East Village. It is known that when B arrives at East Village, A has been in West Village for 5 hours. Find the distance between the east and west villages.
甲每小时行12千米，乙每小时行8千米．某日甲从东村到西村，乙从西村到东村，已知乙到东村时，甲已到西村5小时．求东、西两村的距离．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/8) - (1/12)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">5 / (1/24)</gadget>
<output>120</output>

<result>120</result>