 
 <prompt> Idan muka samu cikakken lokaci da na da Billy, da kuma Billy ya kasance 4 na shekara, me ya faru ne na farko ne? <response>: ```Zan kasance 4*4=16 na shekara, saboda haka ina 4 daidai da shekaru na Billy wato 4.
Sannan, don Allah mu duba shekaru na Billy a zaman lafiya, muna kallo shekaru na Billy wato 4 daga shekaru na, ya kamata mu duba cewa na 16-4= 12 na shekara

Sami amsa zai kasance 12.``` 