The product of the two numbers of A and B is 245. If the number of A is doubled and the number of B is multiplied by 5, what is the product of the two numbers of A and B?
甲乙两数的积是245，如果甲数扩大2倍，乙数扩大5倍，那么甲乙两数的积是多少．
<gadget id="calculator">245 * 2 * 5</gadget>
<output>2_450</output>

<result>2_450</result>