10 * 10 / 4 + 90 ( 5 + 5 ) * 4

Multiply 10 and 10

1

10*10 evaluates to 100

10*10/4 evaluates to 25

5+5 evaluates to 10

Multiply 90 and 10

1

90*(5+5) evaluates to 900

Multiply 900 and 4

1

90*(5+5)*4 evaluates to 3600

10*10/4+90*(5+5)*4 evaluates to 3625

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The final answer is

3625