What can be easily calculated should be 1 / 4 × 4.6 + 27 / 5 × 25%

What can be easily calculated should be 1 / 4 × 4.6 + 27 / 5 × 25%

1 / 4 × 4.6 + 27 / 5 × 25%
=0.25×4.6+5.4×0.25
=0.25×(4.6+5.4)
=2.5