3111-7236:18
2610:58*45+3860*100
7236 : 18 = 402
3111 - 402 = 2709
2610 : 58 = 45
45 * 45 = 2025
3860 * 100 = 386000
2025 + 386000 = 388025
7236:18=402 3111-402=2709 2610:58=45 45*45=2025 3860*100=386000 2025+386000=388025