Answer :
[tex]7\cdot2\cdot9\cdot \frac{45}{5} \cdot2=14\cdot9\cdot9\cdot2=126\cdot18=2,268[/tex]
[tex]7 * 2* 9 * (45/5) *2 \\ \\ = 7 * 2 * 9 * 9*2 \\ \\ = 14 * 81 * 2 \\ \\ = 14 * 162 \\ = 2268[/tex]