 
 <prompt> ```Wendy get truck wey fit contain 20 gallons of gas. She still get car wey fit contain 12 gallons of gas. The truck tank dey half full. The car tank dey 1/3 full. If she fill both of them up complete, how many gallons she go add?``` <response>: ```
Di truck tank get 10 gallons inside because 20 x .5 = 10
Di car tank get 4 gallons inside because 12 x (1/3) = <<12*(1/3)=4>>4
She need add 10 gallons to di truck because 20 - 10 = 10
She need add 8 gallons to di car because 12 - 4 = 8
She need add 18 gallons in total because 10 + 8 = 18

Answer na 18.``` 