Where the x is
With a calculator.
multiply
it can multiply,divide,add and subtract.
by calculate in mind
Multiply by three.
With a calculator I would assume.
There isn't one.
calculator
Multiply by 0.9144
I know the answer 417650472 and this is how to times it Get a calculator or partition it
Easiest way is to take a calculator and multiply 900 by .13 The result is 13% of 900. You can also multiply 900 by 13% directly if your calculator has that function.
Leibniz's calculator could multiply and divide as well as add and subtract. The pascaline calculator could only add and subtract.