if a * b = 2 a - 3 b + ab, then 3 * 5 + 5 * 3 is equal to  Choose the correct choice from the following answers:
A) 22 B) 25 C) 26 D) 28 E) 23
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">6 + 15</gadget>
<output>21</output>

<result>A</result>
if a * b = 2 a - 3 b + ab, then 3 * 5 + 5 * 3 is equal to
add(multiply(2, 3), multiply(3, 5))
3 * 5 + 5 * 3 = ( 2 x 3 - 3 x 5 + 3 x 5 ) + ( 2 x 5 - 3 x 3 + 5 x 3 ) = 22 answer a 22