export interface ParenthesisSignProblem {
  id: string;
  key: string;
  multiplier: number;
  a: number;
  operator: "+" | "-";
  b: number;
  distributedA: number;
  distributedB: number;
  latexBefore: string;
  latexAfter: string;
}

export interface UserAnswer {
  a: number;
  b: number;
}

export interface GradeResult {
  correct: boolean;
  correctAnswer: [number, number];
}