For the numbers a and b, it is stipulated that a*b=3a+b/3, then 8*9=how much.
对于数a、b，规定a*b=3a+b/3，那么8*9=多少．
<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<gadget id="calculator">24 + 3</gadget>
<output>27</output>

<result>27</result>