if x and y are the tens digit and the units digit, 求翻译!

问题描述:

if x and y are the tens digit and the units digit, 求翻译!
if x and y are the tens digit and the units digit, respectively, of the product 725,278X(这个是乘号)67,066,what is the value of x+y?

如果x是十位数上的数字,y是个位数上的庶子,那么,725278*67066的积里,x+y是什么?