 
 <prompt> Grandma Molly ta yi sanannun kujerar turtles ga fata a gaban gidan sa. A shekara ta farko, ta yi sanannun 4 na turtles da ta ajiye a gaban gidan sa. A shekara ta biyu, ta duba sanannun turtles a gaban gidan sa. A shekara ta uku, ta kara saura 12 na turtles a gaban gidan sa, amma wani yankin ruwa ya kashe 3 daga turtles, wanda ta fadi su. A shekara ta hudu, ta kara saura turtles biyu da suka kashe a shekara da ta farko. A duniyar shekara biyu, yadda ta dawo da shekaru hudu, me yasa ta samu sanannun turtles a gaban gidan sa? <response>: A shekara biyu, ta kara duba lambobin harshe a fadinsa, ta kara saukar da 4 na farko da ke buƙatar da lambobin 4 da ta kawo lambobin dukkanin 4*4=16.
A shekara uku, ta kara saukar lambobin 12, ta kawo lambobin dukkanin 16+12=28.
Amma wata jirgin ruwa ta kashe 3, ta kawo lambobin dukkanin 28-3=25.
A shekara biyar, ta kara saukar lambobin ƙaramin lambobin da suka kashe a shekara da ta gabata, ta kawo 2*3=6 lambobin.
Sannan, saukar da lambobin nan ya kawo lambobin dukkanin 25+6=31. 