It is known that AB=C, B=4C+11, A+B=3631, so how much is A=.
已知A-B=C，B=4C+11，A+B=3631，那么A=多少．
<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">18_144 / 9</gadget>
<output>2_016</output>

<result>2_016</result>