OK, let's crack this. We're given 136 and our task is to multiply it by 61. Essentially, we'll be adding 136 to itself 61 times.
Step 1: 0 + 136 = 136
Step 2: 136 + 136 = 272
Step 3: 272 + 136 = 408
Step 4: 408 + 136 = 544
Step 5: 544 + 136 = 680
Step 6: 680 + 136 = 816
Step 7: 816 + 136 = 952
Step 8: 952 + 136 = 1088
Step 9: 1088 + 136 = 1224
Step 10: 1224 + 136 = 1360
Step 11: 1360 + 136 = 1496
Step 12: 1496 + 136 = 1632
Step 13: 1632 + 136 = 1768
Step 14: 1768 + 136 = 1904
Step 15: 1904 + 136 = 2040
Step 16: 2040 + 136 = 2176
Step 17: 2176 + 136 = 2312
Step 18: 2312 + 136 = 2448
Step 19: 2448 + 136 = 2584
Step 20: 2584 + 136 = 2720
Step 21: 2720 + 136 = 2856
Step 22: 2856 + 136 = 2992
Step 23: 2992 + 136 = 3128
Step 24: 3128 + 136 = 3264
Step 25: 3264 + 136 = 3400
Step 26: 3400 + 136 = 3536
Step 27: 3536 + 136 = 3672
Step 28: 3672 + 136 = 3808
Step 29: 3808 + 136 = 3944
Step 30: 3944 + 136 = 4080
Step 31: 4080 + 136 = 4216
Step 32: 4216 + 136 = 4352
Step 33: 4352 + 136 = 4488
Step 34: 4488 + 136 = 4624
Step 35: 4624 + 136 = 4760
Step 36: 4760 + 136 = 4896
Step 37: 4896 + 136 = 5032
Step 38: 5032 + 136 = 5168
Step 39: 5168 + 136 = 5304
Step 40: 5304 + 136 = 5440
Step 41: 5440 + 136 = 5576
Step 42: 5576 + 136 = 5712
Step 43: 5712 + 136 = 5848
Step 44: 5848 + 136 = 5984
Step 45: 5984 + 136 = 6120
Step 46: 6120 + 136 = 6256
Step 47: 6256 + 136 = 6392
Step 48: 6392 + 136 = 6528
Step 49: 6528 + 136 = 6664
Step 50: 6664 + 136 = 6800
Step 51: 6800 + 136 = 6936
Step 52: 6936 + 136 = 7072
Step 53: 7072 + 136 = 7208
Step 54: 7208 + 136 = 7344
Step 55: 7344 + 136 = 7480
Step 56: 7480 + 136 = 7616
Step 57: 7616 + 136 = 7752
Step 58: 7752 + 136 = 7888
Step 59: 7888 + 136 = 8024
Step 60: 8024 + 136 = 8160
Step 61: 8160 + 136 = 8296

So, 136*61 = 8296