237*536 / 2 =63516 88646:349 /2 =127 715*144 /2=51480
523*718 / 2 =187757 75072:816 /2 =46 652*208 /2= 67808
323*198 / 2= 31977 35264:116 /2 =152 907*53 /2= 24035,5
237*536 *3= 381096 88646:349 *3=762 715*144 *3=308880
523*718 *3= 1126542 75072:816 *3=276 652*208 *3=406848
323*198 *3= 191862 35264:116 *3=912 907*53 *3=144213