how do we get the productivity and the GDP in this question

gi workland has Population of 19,000 of whom 7,000 work 8 ady to produce total of 224, 000 final goods. laborland has Population at so, ooo of whom 4,000 work 12 It aday to produce total of 120,000 final Goods. Ai work land / productivity ,/ GDP perperson than laborland ) who has - Higher or lower Productivity WHO has higher or lower GDP