bigdecimal

Dear developers! The task is to compare the data and make calculations. Unfortunately, after writing the tests, it turned out ... l.valueOf(2.2), actual); } Also below I attach screenshots of the method and class + how the tests themselves worked :

I have a number a=11**20 and I need to output it to a string. But str(a) doesn't fit the way it will: '6.727499949325601e+20' , and I need it to be an integer without an exponent: '672749994932560009201'