Alright, let's solve this math problem step by step. First, we have the number 3. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 99. So, we're going to take the number 3 and add it to itself 99 times.
Step 1: 0 + 3 = 3
Step 2: 3 + 3 = 6
Step 3: 6 + 3 = 9
Step 4: 9 + 3 = 12
Step 5: 12 + 3 = 15
Step 6: 15 + 3 = 18
Step 7: 18 + 3 = 21
Step 8: 21 + 3 = 24
Step 9: 24 + 3 = 27
Step 10: 27 + 3 = 30
Step 11: 30 + 3 = 33
Step 12: 33 + 3 = 36
Step 13: 36 + 3 = 39
Step 14: 39 + 3 = 42
Step 15: 42 + 3 = 45
Step 16: 45 + 3 = 48
Step 17: 48 + 3 = 51
Step 18: 51 + 3 = 54
Step 19: 54 + 3 = 57
Step 20: 57 + 3 = 60
Step 21: 60 + 3 = 63
Step 22: 63 + 3 = 66
Step 23: 66 + 3 = 69
Step 24: 69 + 3 = 72
Step 25: 72 + 3 = 75
Step 26: 75 + 3 = 78
Step 27: 78 + 3 = 81
Step 28: 81 + 3 = 84
Step 29: 84 + 3 = 87
Step 30: 87 + 3 = 90
Step 31: 90 + 3 = 93
Step 32: 93 + 3 = 96
Step 33: 96 + 3 = 99
Step 34: 99 + 3 = 102
Step 35: 102 + 3 = 105
Step 36: 105 + 3 = 108
Step 37: 108 + 3 = 111
Step 38: 111 + 3 = 114
Step 39: 114 + 3 = 117
Step 40: 117 + 3 = 120
Step 41: 120 + 3 = 123
Step 42: 123 + 3 = 126
Step 43: 126 + 3 = 129
Step 44: 129 + 3 = 132
Step 45: 132 + 3 = 135
Step 46: 135 + 3 = 138
Step 47: 138 + 3 = 141
Step 48: 141 + 3 = 144
Step 49: 144 + 3 = 147
Step 50: 147 + 3 = 150
Step 51: 150 + 3 = 153
Step 52: 153 + 3 = 156
Step 53: 156 + 3 = 159
Step 54: 159 + 3 = 162
Step 55: 162 + 3 = 165
Step 56: 165 + 3 = 168
Step 57: 168 + 3 = 171
Step 58: 171 + 3 = 174
Step 59: 174 + 3 = 177
Step 60: 177 + 3 = 180
Step 61: 180 + 3 = 183
Step 62: 183 + 3 = 186
Step 63: 186 + 3 = 189
Step 64: 189 + 3 = 192
Step 65: 192 + 3 = 195
Step 66: 195 + 3 = 198
Step 67: 198 + 3 = 201
Step 68: 201 + 3 = 204
Step 69: 204 + 3 = 207
Step 70: 207 + 3 = 210
Step 71: 210 + 3 = 213
Step 72: 213 + 3 = 216
Step 73: 216 + 3 = 219
Step 74: 219 + 3 = 222
Step 75: 222 + 3 = 225
Step 76: 225 + 3 = 228
Step 77: 228 + 3 = 231
Step 78: 231 + 3 = 234
Step 79: 234 + 3 = 237
Step 80: 237 + 3 = 240
Step 81: 240 + 3 = 243
Step 82: 243 + 3 = 246
Step 83: 246 + 3 = 249
Step 84: 249 + 3 = 252
Step 85: 252 + 3 = 255
Step 86: 255 + 3 = 258
Step 87: 258 + 3 = 261
Step 88: 261 + 3 = 264
Step 89: 264 + 3 = 267
Step 90: 267 + 3 = 270
Step 91: 270 + 3 = 273
Step 92: 273 + 3 = 276
Step 93: 276 + 3 = 279
Step 94: 279 + 3 = 282
Step 95: 282 + 3 = 285
Step 96: 285 + 3 = 288
Step 97: 288 + 3 = 291
Step 98: 291 + 3 = 294
Step 99: 294 + 3 = 297

So, 3*99 = 297