The spinner has the numbers 2, 7, 4, and 8. Multiply these numbers by the numbers in the grid: 30, 10, 50, and 20.

Here are the answers for the multiplication grid:

The numbers on the spinner are:

• Yellow: 2
• Green: 7
• Blue: 4
• Red: 8

Here are the calculations for each white rectangle in the grid:

Row 1:

• Yellow (30): $30 \times 2 = \boxed{60}$
• Green (10): $10 \times 7 = \boxed{70}$
• Blue (50): $50 \times 4 = \boxed{200}$
• Red (20): $20 \times 8 = \boxed{160}$