A and B take the big tree as the starting point, walking eastward is a positive number, and walking westward is a negative number. A walks +3m, B walks -2m, what is the distance between the two at this time?
甲乙两人以大树为起点，向东走为正数，向西走为负数．甲走+3m，乙走-2m，这时两人相距多少m
<gadget id="calculator">3 - (-2)</gadget>
<output>5</output>

<result>5</result>