If: a*b=a*(b+3), then 5*2=5*(2+3)=25. In the same way, you can get: 4*8=how much
如果：a*b=a*(b+3)，则5*2=5*(2+3)=25．同理可得：4*8=多少
<gadget id="calculator">8 + 3</gadget>
<output>11</output>

<gadget id="calculator">4 * 11</gadget>
<output>44</output>

<result>44</result>