Kernel:

Sage 8.9 on CoCalc

In [1]:

version()

'SageMath version 8.9, Release Date: 2019-09-29'

In [2]:

%timeit 12983419826482143*1238746219837469817324

The slowest run took 111.74 times longer than the fastest. This could mean that an intermediate result is being cached.
1000000 loops, best of 3: 224 ns per loop

In [0]:

EllipticCurve("")