It is stipulated that a△b=4*a+6*b, how much is 8△9=?
规定a△b=4*a+6*b，求8△9=多少．
<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<gadget id="calculator">6 * 9</gadget>
<output>54</output>

<gadget id="calculator">32 + 54</gadget>
<output>86</output>

<result>86</result>