OK, let's crack this. We're given 500 and our task is to multiply it by 135. Essentially, we'll be adding 500 to itself 135 times.
Step 1: 0 + 500 = 500
Step 2: 500 + 500 = 1000
Step 3: 1000 + 500 = 1500
Step 4: 1500 + 500 = 2000
Step 5: 2000 + 500 = 2500
Step 6: 2500 + 500 = 3000
Step 7: 3000 + 500 = 3500
Step 8: 3500 + 500 = 4000
Step 9: 4000 + 500 = 4500
Step 10: 4500 + 500 = 5000
Step 11: 5000 + 500 = 5500
Step 12: 5500 + 500 = 6000
Step 13: 6000 + 500 = 6500
Step 14: 6500 + 500 = 7000
Step 15: 7000 + 500 = 7500
Step 16: 7500 + 500 = 8000
Step 17: 8000 + 500 = 8500
Step 18: 8500 + 500 = 9000
Step 19: 9000 + 500 = 9500
Step 20: 9500 + 500 = 10000
Step 21: 10000 + 500 = 10500
Step 22: 10500 + 500 = 11000
Step 23: 11000 + 500 = 11500
Step 24: 11500 + 500 = 12000
Step 25: 12000 + 500 = 12500
Step 26: 12500 + 500 = 13000
Step 27: 13000 + 500 = 13500
Step 28: 13500 + 500 = 14000
Step 29: 14000 + 500 = 14500
Step 30: 14500 + 500 = 15000
Step 31: 15000 + 500 = 15500
Step 32: 15500 + 500 = 16000
Step 33: 16000 + 500 = 16500
Step 34: 16500 + 500 = 17000
Step 35: 17000 + 500 = 17500
Step 36: 17500 + 500 = 18000
Step 37: 18000 + 500 = 18500
Step 38: 18500 + 500 = 19000
Step 39: 19000 + 500 = 19500
Step 40: 19500 + 500 = 20000
Step 41: 20000 + 500 = 20500
Step 42: 20500 + 500 = 21000
Step 43: 21000 + 500 = 21500
Step 44: 21500 + 500 = 22000
Step 45: 22000 + 500 = 22500
Step 46: 22500 + 500 = 23000
Step 47: 23000 + 500 = 23500
Step 48: 23500 + 500 = 24000
Step 49: 24000 + 500 = 24500
Step 50: 24500 + 500 = 25000
Step 51: 25000 + 500 = 25500
Step 52: 25500 + 500 = 26000
Step 53: 26000 + 500 = 26500
Step 54: 26500 + 500 = 27000
Step 55: 27000 + 500 = 27500
Step 56: 27500 + 500 = 28000
Step 57: 28000 + 500 = 28500
Step 58: 28500 + 500 = 29000
Step 59: 29000 + 500 = 29500
Step 60: 29500 + 500 = 30000
Step 61: 30000 + 500 = 30500
Step 62: 30500 + 500 = 31000
Step 63: 31000 + 500 = 31500
Step 64: 31500 + 500 = 32000
Step 65: 32000 + 500 = 32500
Step 66: 32500 + 500 = 33000
Step 67: 33000 + 500 = 33500
Step 68: 33500 + 500 = 34000
Step 69: 34000 + 500 = 34500
Step 70: 34500 + 500 = 35000
Step 71: 35000 + 500 = 35500
Step 72: 35500 + 500 = 36000
Step 73: 36000 + 500 = 36500
Step 74: 36500 + 500 = 37000
Step 75: 37000 + 500 = 37500
Step 76: 37500 + 500 = 38000
Step 77: 38000 + 500 = 38500
Step 78: 38500 + 500 = 39000
Step 79: 39000 + 500 = 39500
Step 80: 39500 + 500 = 40000
Step 81: 40000 + 500 = 40500
Step 82: 40500 + 500 = 41000
Step 83: 41000 + 500 = 41500
Step 84: 41500 + 500 = 42000
Step 85: 42000 + 500 = 42500
Step 86: 42500 + 500 = 43000
Step 87: 43000 + 500 = 43500
Step 88: 43500 + 500 = 44000
Step 89: 44000 + 500 = 44500
Step 90: 44500 + 500 = 45000
Step 91: 45000 + 500 = 45500
Step 92: 45500 + 500 = 46000
Step 93: 46000 + 500 = 46500
Step 94: 46500 + 500 = 47000
Step 95: 47000 + 500 = 47500
Step 96: 47500 + 500 = 48000
Step 97: 48000 + 500 = 48500
Step 98: 48500 + 500 = 49000
Step 99: 49000 + 500 = 49500
Step 100: 49500 + 500 = 50000
Step 101: 50000 + 500 = 50500
Step 102: 50500 + 500 = 51000
Step 103: 51000 + 500 = 51500
Step 104: 51500 + 500 = 52000
Step 105: 52000 + 500 = 52500
Step 106: 52500 + 500 = 53000
Step 107: 53000 + 500 = 53500
Step 108: 53500 + 500 = 54000
Step 109: 54000 + 500 = 54500
Step 110: 54500 + 500 = 55000
Step 111: 55000 + 500 = 55500
Step 112: 55500 + 500 = 56000
Step 113: 56000 + 500 = 56500
Step 114: 56500 + 500 = 57000
Step 115: 57000 + 500 = 57500
Step 116: 57500 + 500 = 58000
Step 117: 58000 + 500 = 58500
Step 118: 58500 + 500 = 59000
Step 119: 59000 + 500 = 59500
Step 120: 59500 + 500 = 60000
Step 121: 60000 + 500 = 60500
Step 122: 60500 + 500 = 61000
Step 123: 61000 + 500 = 61500
Step 124: 61500 + 500 = 62000
Step 125: 62000 + 500 = 62500
Step 126: 62500 + 500 = 63000
Step 127: 63000 + 500 = 63500
Step 128: 63500 + 500 = 64000
Step 129: 64000 + 500 = 64500
Step 130: 64500 + 500 = 65000
Step 131: 65000 + 500 = 65500
Step 132: 65500 + 500 = 66000
Step 133: 66000 + 500 = 66500
Step 134: 66500 + 500 = 67000
Step 135: 67000 + 500 = 67500

So, 500*135 = 67500