SELECT 2*3+1;

SELECT 1+2*3;

SELECT 2^2 + 1;

SELECT 1+2^2;

SELECT 2*4 / 2;

SELECT 2*(4 / 2);

SELECT 16/2*4;

SELECT (16/2)*4;

SELECT 2*3*2;

SELECT 2^3*2;

SELECT 2*3^2;