It is known that (A, 40) = 8, (A, 40) = 80, then A = how much.
已知(A，40)=8，(A，40)=80，那么A=多少．
<gadget id="calculator">80 / 40</gadget>
<output>2</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>