The sum of the numbers A and B is 308, the number of A is 6 more than the number of B, what is the number of A?
甲、乙两数和是308，甲数比乙数多6，甲数是多少．
<gadget id="calculator">308 + 6</gadget>
<output>314</output>

<gadget id="calculator">314 / 2</gadget>
<output>157</output>

<result>157</result>