title: How to multiply a double with a BigInteger in Java
body: <p>I want to multiply for example; 0.1 * 10^30</p>
  
  <p>How do I achieve this?</p>
  
  <p>0.1 is a double
  10^30 is a BigInteger</p>
  
  <p>Human input will be converted into a double value but the value needs to be multiplied by 10^30 for computation.</p>
  
  <p>Human input can be 0.09172349 for example.</p>