The quotient of number A divided by number B is 68, and the remainder is 2. The sum of A and B is 278, what is A's number?
甲数除以乙数商68，余数是2．甲、乙两数的和是278，甲数是多少．
<gadget id="calculator">278 - 2</gadget>
<output>276</output>

<gadget id="calculator">68 + 1</gadget>
<output>69</output>

<gadget id="calculator">276 / 69</gadget>
<output>4</output>

<gadget id="calculator">68 * 4</gadget>
<output>272</output>

<gadget id="calculator">272 + 2</gadget>
<output>274</output>

<result>274</result>