When a car travels from A to B, the ratio of the distance it has traveled to the distance it has not traveled is 1:3. If it travels another 52 kilometers, the distance it has traveled is the entire distance (5/7). How far is it from A to B?
一辆汽车从甲地到乙地，已行的路程与未行的路程比是1：3，如果再行52千米，已行的路程是全程的(5/7)．甲地到乙地有多远？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1 + 3</gadget>
<output>4</output>

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

<gadget id="calculator">(5/7) - (1/4)</gadget>
<output>13/28 = around 0.464286</output>

<gadget id="calculator">52 / (13/28)</gadget>
<output>112</output>

<result>112</result>