120的20%比某数的4/5少24，求这个数？0k+Z7z'g'H2D'C6Z'K0a'I0X0@
算式：提示(h;C3^/u'A3r5S8`2j0@0k+Z7z'g'H2D'C6Z'K0a'I0X0@
=0f9l'r,^+U0k+Z7z'g'H2D'C6Z'K0a'I0X0@