A and B are two different integers. It is known that A+B=781, and A>B. After removing the unit digit of A, it is equal to B. Then A=how much.
A和B是两个不同的整数，已知A+B=781，且A＞B，将A的个位去掉后和B相等，那么A=多少．
<gadget id="calculator">71 * 11</gadget>
<output>781</output>

<gadget id="calculator">781 / 11</gadget>
<output>71</output>

<gadget id="calculator">781 - 71</gadget>
<output>710</output>

<result>710</result>