export interface ParenthesisSignProblem {
  id: string;
  key: string;
  multiplier: number;
  terms: number[];
  operators: ("+" | "-")[];
  a: number;
  operator: "+" | "-";
  b: number;
  distributedTerms: number[];
  distributedA: number;
  distributedB: number;
  latexBefore: string;
  latexAfter: string;
}

export interface UserAnswer {
  terms?: number[];
  a?: number;
  b?: number;
}

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