 
 <prompt> Francine ta koma 140km zuwa aikin kowa rana. Idan ba ta tafi aiki ranar uku kowace shekara, duba jumla ta zama ta koma zuwa aikin a shekaru 4 a kilomita. <response>: Akwai mako biyu a shekara, don haka idan ba ya tafi aiki a shekara 3, ya tafi a shekara 7-3 = 4 na kowace shekara
Ya tafi 140km kowace rana don haka ya tafi 140*4 = 560km kowace shekara
A shekara 4 zai tafi jumla na 4*560 = 2240km

Wani tambaya zai zama 2240. 