OptionsContract.isSafe(uint256,uint256) (OptionsContract.sol#847-885) performs a multiplication on the result of a division

OptionsContract.isSafe(uint256,uint256) performs a multiplication on the result of a division:
-rightSideVal = (collateralAmt.mul(collateralToEthPrice)).div(strikeToEthPrice)
-stillSafe = leftSideVal <= rightSideVal.mul(10 ** exp)

Consider ordering multiplication prior division.