It is stipulated that a△b=a*(b+2), then 5△2=5*(2+2)=20. In the same way, what is 3△8 equal to
规定a△b=a*(b+2)，则5△2=5*(2+2)=20．同理可得，3△8等于多少
<gadget id="calculator">8 + 2</gadget>
<output>10</output>

<gadget id="calculator">3 * 10</gadget>
<output>30</output>

<result>30</result>