 
 <prompt> Wete ndị 15 nwoke na 10 n'imepe ụmụ nwa n'ekwu. Ọ bụghị ịkpa ọ bụla gara agba ụtụ ụtụ na-akpọ $5 nke ọ bụla, biko ka Mary zụrụ ọnụ ụtụ ụtụ? <response>: Nwere 10 + 15 = 25 nwaada na onye ọ bụla n'ekwu.
N'ihi na e nwere a n'ime 15 + 25 = 40 ndị na-eme.
40 x 2 = 80 kanzụ nke soft drinks a dịghị.
N'ihi na Mary kwadoro 80/8 = 10 odozi nke soft drinks.
N'ile, Mary kwadoro 10 x $5 = $50 na soft drinks.

Ọ bụghịchị 50. 