To simplify the expression \(1.25q \cdot 3 \cdot 2r\), we multiply the numerical coefficients and the variables separately.
Multiply the coefficients: \(1.25 \cdot 3 \cdot 2 = 1.25 \cdot 6 = 7.5\).
Multiply the variables: \(q \cdot r = qr\).
Combine the results: \(7.5qr\).
Ответ: \(7.5qr\)