The product of two factors is 4.6, if one factor is expanded to 10 times of the original, and the other factor is reduced to the original (1/10), what is the product now.
两个因数的积是4.6，若一个因数扩大到原来的10倍，另一个因数缩小到原来的(1/10)，现在的积是多少．
<result>4.6</result>