```\\nfunction getBNBAmountOut(uint256 amountIn) public view returns (uint256) {\\n    uint256 beansBefore = liqConst / _balances[address(this)];\\n    uint256 beansAfter = liqConst / (_balances[address(this)] + amountIn);\\n    return beansBefore - beansAfter;\\n}\\n```\\n