JSFiddle - React, Tailwind, and code Playground
JavaScript
let tuitionFee = 1000;
let numberOfInstallments = 7;
let roundedInstallments = Math.round(tuitionFee / numberOfInstallments * 100) / 100;
let lastInstallment = tuitionFee - (roundedInstallments * (numberOfInstallments - 1));
console.log(tuitionFee / numberOfInstallments);
console.log(roundedInstallments);
console.log(lastInstallment);