An air-core solenoid has a length of 27.1 cm, a cross-sectional area of 0.0454m2, and contains 335 turns. The current through the solenoid increases by 21.21 A. The permeability of free space is 1.25664 × 10-6 N/A2. By how much does the magnetic flux through the solenoid change? Answer in units of µWb.