Inside a RelativeLayout Element, Insert Code That Adds an EditText

Essay

Inside a RelativeLayout element, insert code that adds an EditText element as follows:
Its bottom edge is aligned with the bottom edge of an element whose id is a.
Its left edge is aligned with the left edge of an element whose id is b.
< EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
< !-- Your code goes here -->
android:inputType="numberDecimal" />