wuzilong
/
Tolan


			
				
					
						
						
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							import AbstractCalculator from './calculator';
export default class NumCalculator extends AbstractCalculator {
    result: number;
    constructor(num: number | string | AbstractCalculator);
    add(num: number | string | AbstractCalculator): this;
    sub(num: number | string | AbstractCalculator): this;
    mul(num: number | string | AbstractCalculator): this;
    div(num: number | string | AbstractCalculator): this;
    equal(): number;
}