Track / Stage 4 / 333 of 340 #593 of 1964

Lele is 3 years younger than his brother and 2 years older than his younger brother. The product of their ages is 1800. How old is Lele? $\qquad$ years.

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A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

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Official solution

$12$

Source: NuminaMath-1.5, licensed Apache-2.0. Statement reproduced verbatim; metadata (topic, difficulty, ordering) added by this project.