 
 <translate> Each tree produces 60 * .5 = 30 more lemons than normal. So they each produce 60 + 30 = 90 lemons. He has 50 * 30 = 1500 trees. So every year he produces 1500 * 90 = 135000 lemons. That means he produces 135000 * 5 = 675,000.
Thus, the answer is 675000. <ibo> Osisi lemon nke ọ bụla na-amịpụta lemon 60*.5 = lemon 30 karịa otú ọ na-amịkarị. Ya mere, nke ọ bụla n'ime ha na-amịpụta lemon 60+30=90. O nwere osisi 50 * 30 = 1500 Ya mere, kwa afọ ọ na-amịpụta 1500 * 90 = 135000 lemọn. Nke ahụ pụtara na ọ na-emepụta 135000 * 5 = 675,000. N'ihi ya, azịza ya bụ 675000. 