function equalToken(model) {
    let unitPrice = 1/1000000; // 1token 是多少钱
    if (model.currency === 'USD') {
      const exchangeRate = 7;
      return (model.price / unitPrice) / exchangeRate;
    }
    return model.price / unitPrice;
}

const model = {
    price: 0.0014,
    currency: 'USD'
}

const token = equalToken(model);

console.log(token);