async function calculatorSigFig() {
    
    
    let url = 'https://openapi.explinks.com/您的username/v1/calculator_sig_fig/saf2025090402521a044317';
    
    const options = {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
            'x-mce-signature': 'AppCode/您的Apikey'
        },
        body: {"numberOrExpression":"5.13 * 3.78","numberOfSignificantFigures":3}
    };
    
    try {
        const response = await fetch(url, options);
        const data = await response.json();
        
        console.log('状态码:', response.status);
        console.log('响应数据:', data);
        
        return data;
    } catch (error) {
        console.error('请求失败:', error);
        throw error;
    }
}

// 使用示例
calculatorSigFig()
    .then(result => console.log('成功:', result))
    .catch(error => console.error('错误:', error));