Ответ:\(568 \cdot 400 = 227\,200\).\(697 \cdot 580 = 404\,260\).\(736 \cdot 258 = 189\,888\).\(308 \cdot 715 = 220\,220\).\(724 \cdot 403 = 291\,772\).\(306 \cdot 504 = 154\,224\).\(700 \cdot 582 = 407\,400\).\(815 \cdot 104 = 84\,760\).