0 the part of mathematics that involves the adding and multiplying, etc. of numbers: --
1 the process of making calculations such as adding, multiplying, and dividing by using numbers, or the study of this --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.