b) \( 101 \frac{47}{50} \cdot 250 \)

\( 101 \frac{47}{50} = \frac{5050}{50} + \frac{47}{50} = \frac{5097}{50} \). \( \frac{5097}{50} \cdot 250 = \frac{5097 \cdot 250}{50} = 5097 \cdot 5 = 25485 \). Ответ: \(25485\).