Regulations: The symbol "△" means to choose the larger number among the two numbers, and "○" means to choose the smaller number among the two numbers. For example, 5△2=5, 3○6=3, then ((8○3)△5)*(4○7)=how much.
规定：符号"△"为选择两数中较大的数，"○"为选择两数中较小的数．例如5△2=5，3○6=3，那么((8○3)△5)*(4○7)=多少．
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<result>20</result>