Question

if 2=45 or 45 is equal to 90 90 is equal to 47 is equal to 78 then what is answer of 45+45 - 90 +2×2

Answer 1

45+45-90+2×2
= 90+90-47+45×45
= 90+90-47+2025
= 2205-47
= 2158

Answer 2

45+45-90+2*2
90+90-47+45*45
2158