Alright, let's solve this math problem step by step. First, we have the number 144. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 72. So, we're going to take the number 144 and add it to itself 72 times.
Step 1: 0 + 144 = 144
Step 2: 144 + 144 = 288
Step 3: 288 + 144 = 432
Step 4: 432 + 144 = 576
Step 5: 576 + 144 = 720
Step 6: 720 + 144 = 864
Step 7: 864 + 144 = 1008
Step 8: 1008 + 144 = 1152
Step 9: 1152 + 144 = 1296
Step 10: 1296 + 144 = 1440
Step 11: 1440 + 144 = 1584
Step 12: 1584 + 144 = 1728
Step 13: 1728 + 144 = 1872
Step 14: 1872 + 144 = 2016
Step 15: 2016 + 144 = 2160
Step 16: 2160 + 144 = 2304
Step 17: 2304 + 144 = 2448
Step 18: 2448 + 144 = 2592
Step 19: 2592 + 144 = 2736
Step 20: 2736 + 144 = 2880
Step 21: 2880 + 144 = 3024
Step 22: 3024 + 144 = 3168
Step 23: 3168 + 144 = 3312
Step 24: 3312 + 144 = 3456
Step 25: 3456 + 144 = 3600
Step 26: 3600 + 144 = 3744
Step 27: 3744 + 144 = 3888
Step 28: 3888 + 144 = 4032
Step 29: 4032 + 144 = 4176
Step 30: 4176 + 144 = 4320
Step 31: 4320 + 144 = 4464
Step 32: 4464 + 144 = 4608
Step 33: 4608 + 144 = 4752
Step 34: 4752 + 144 = 4896
Step 35: 4896 + 144 = 5040
Step 36: 5040 + 144 = 5184
Step 37: 5184 + 144 = 5328
Step 38: 5328 + 144 = 5472
Step 39: 5472 + 144 = 5616
Step 40: 5616 + 144 = 5760
Step 41: 5760 + 144 = 5904
Step 42: 5904 + 144 = 6048
Step 43: 6048 + 144 = 6192
Step 44: 6192 + 144 = 6336
Step 45: 6336 + 144 = 6480
Step 46: 6480 + 144 = 6624
Step 47: 6624 + 144 = 6768
Step 48: 6768 + 144 = 6912
Step 49: 6912 + 144 = 7056
Step 50: 7056 + 144 = 7200
Step 51: 7200 + 144 = 7344
Step 52: 7344 + 144 = 7488
Step 53: 7488 + 144 = 7632
Step 54: 7632 + 144 = 7776
Step 55: 7776 + 144 = 7920
Step 56: 7920 + 144 = 8064
Step 57: 8064 + 144 = 8208
Step 58: 8208 + 144 = 8352
Step 59: 8352 + 144 = 8496
Step 60: 8496 + 144 = 8640
Step 61: 8640 + 144 = 8784
Step 62: 8784 + 144 = 8928
Step 63: 8928 + 144 = 9072
Step 64: 9072 + 144 = 9216
Step 65: 9216 + 144 = 9360
Step 66: 9360 + 144 = 9504
Step 67: 9504 + 144 = 9648
Step 68: 9648 + 144 = 9792
Step 69: 9792 + 144 = 9936
Step 70: 9936 + 144 = 10080
Step 71: 10080 + 144 = 10224
Step 72: 10224 + 144 = 10368

So, 144*72 = 10368