 
 <prompt> ```4 ndị mmadụ na-eme ọrụ n'akụkọ 4 x 100. Mary na-eme mbu na-eme nke Susan. Susan na-eme eji na-eme nke Jen. Jen na-eme atọ. Tiffany na-eme nke abụọ. Kedu ihe ndị mmadụ na-eme ọrụ iji na-eme akụkọ?``` <response>: ```Aka Susan ebe a bụ 30 seconds + 10 seconds = 40 seconds.
Aka Mary ebe a bụ 40 seconds * 2 = 80 seconds.
Aka Tiffany ebe a bụ 80 seconds - 7 seconds = 73 seconds.
Ebe a bụ ụdị ọzọ maka ndị ahụ bụ 80 seconds + 40 seconds + 30 seconds + 73 seconds = 223 seconds.

Nke a bụ 223.``` 