Define a new operation: specify a◎b=a*b+a/b, find the value of 8◎2.
定义新运算：规定a◎b=a*b+a/b，求8◎2的值．
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">16 + 4</gadget>
<output>20</output>

<result>20</result>