Calculator when tapping fast sometimes falsely shows Bad expression (Calculator app)

Global issue

Summary

When using calculator and having correct expression sometimes results in Bad expression when taping really fast.

The problem

Steps to reproduce

• Open the calculator app
• Try typing an expression and equal button very quickly (example spamming 6 - 3 =) as these are near to each other.

What is the current behavior?

Falsely gives bad expression.

What is the expected correct behavior?

It should calculate when the expression is correct.

Relevant screenshots