The sum of the numbers A and B plus the number A is 220, and the number B is 170. What is the sum of the numbers A and B?
甲、乙两数之和加上甲数是220，加上乙数是170，甲、乙两数之和是多少？
<gadget id="calculator">220 + 170</gadget>
<output>390</output>

<gadget id="calculator">390 / 3</gadget>
<output>130</output>

<result>130</result>