(20,88:18+45:0.36):(19.59+11.95)

(20,88:18+45:0,36):(19,59+11,95)=4

(20,88:18+45:0.36):(19.59+11.95)=41)20,88:18=1,162)45:0,36=1253)1,16+125=126,164)19,59+11,95=31,545)126,16:31,54=4