The distance between A and B is 336 kilometers. Two people, A and B, ride motorcycles from A and B at the same time. They meet each other in 4 hours. After meeting, they continue to move forward. A travels for another 3 hours. Arriving at point B, how many kilometers away is B from point A?
A，B两地相距336千米，甲、乙两人骑摩托车同时分别从A，B两地相向而行，4小时两人相遇，相遇后两人继续前行，甲又行了3小时到达B地，这时乙离A地有多少千米．
<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">336 / 4 / 7</gadget>
<output>12</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<gadget id="calculator">48 * 4</gadget>
<output>192</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">36 * 3</gadget>
<output>108</output>

<gadget id="calculator">192 - 108</gadget>
<output>84</output>

<result>84</result>