The teacher wrote three integers on the blackboard and asked the students to choose one of them and calculate the product of this number and the sum of the other two numbers. Xiao Ming calculated 152, Xiao Qiang calculated 162, and Xiao Hong calculated 170. What is the product of these three numbers?
老师在黑板上写了三个整数，让同学在其中任选一个数，并计算这个数与另两数和的乘积．小明算出的是152，小强算出的是162，小红算出的是170．那么这三个数的乘积是多少．
<result>720</result>