here my codesandbox: CodeSandbox - CodeSandbox
I can’t pass the four tests which are: 9. In any order, I should be able to add, subtract, multiply and divide a chain of numbers of any length, and when I hit “=”, the correct result should be shown in the element with the id of “display” 12. I should be able to perform any operation (+, -, *, /) on numbers containing decimal points 13. If 2 or more operators are entered consecutively, the operation performed should be the last operator entered (excluding the negative (-) sign. 14. Pressing an operator immediately following “=” should start a new calculation that operates on the result of the previous evaluation
