21476 * 7 + 87 :3 * 100=150332+2900=153232;
700 * 800 - 60944 * 8=560000-60944=499056;
(34 079 + 7621) : 100 * 50=41700:100=417;
80000 : (61700 - 60700) * 5087=8000:1000*5087=8*5087=40696;
(63480 - 45 598) * 3 - 50400=17882*3-50400=53646-50400=3246;
5600 * 70 : 100 + 48 287=39200:100+48287=392+48287=48679;
800000 - (25609 * 30 - 196)=800000-(768270-196)=800000-768074=31926;
720:9*7078+87695=80*7078+87695=566240+87695=653935.