The answer is 915.39.217.760 G, q* S& Z8 Z( ?/ g$ p
1 row 3x4+1x3=15
. b2 O% l- w4 M$ P8 H# w2 row 4x5+2x4=28
3 v6 K3 N7 Y8 W; y0 A5.39.217.763 row 5x6+3x5=45tvb now,tvbnow,bttvb2 F; x4 s) Z) r
4 row 6x7+4x6=66tvb now,tvbnow,bttvb: ~; C: `7 x4 P: U
5 row 7x8+5x7=91  |