Uncle Liu and Uncle Huang drove from A and B opposite each other on motorcycles at the same time. After a while, Uncle Liu was still 42 kilometers away from B, and Uncle Huang was still 3 kilometers away from A. It is known that Liu Uncle travels 41 kilometers per hour, 13 kilometers slower than Uncle Huang, how many kilometers is the distance between AB and AB?
刘叔叔和黄叔叔同时骑摩托车从A，B两地相对开出，行了一段时间后，刘叔叔离B地还有42千米，黄叔叔离A地还有3千米，已知刘叔叔每小时行41千米，每小时比黄叔叔慢13千米，AB两地相距多少千米？
<gadget id="calculator">42 * 41</gadget>
<output>1_722</output>

<gadget id="calculator">42 * 13</gadget>
<output>546</output>

<gadget id="calculator">41 * 3</gadget>
<output>123</output>

<gadget id="calculator">546 - 123</gadget>
<output>423</output>

<gadget id="calculator">1_722 + 423</gadget>
<output>2_145</output>

<gadget id="calculator">13 - 41</gadget>
<output>-28</output>

<gadget id="calculator">41 + (-28)</gadget>
<output>13</output>

<gadget id="calculator">2_145 / 13</gadget>
<output>165</output>

<result>165</result>