=14/(2+1/12)
=14/(25/12)
=168/25
=0.37*1.72+0.37*8.28
=0.37*(1.72+8.28)
=0.37*10
=3.75分之4：x=15分之14：8分之7.
大神救救我。14/15x=7/10
x=3/4