Pagii, ada kasus nih gan, butuh bantuan :d

nilai1 =0.1 nilai2 =3.1 nilai3 =2.1 nilai4 =1.1 (type data string)

Nah ane pengen . tpi gk bisa

Global jml_nilai as number

jml_nilai = val({@nilai1}+{@nilai2}+{@nilai3}+{@nilai4})

formula = jml_nilai

hasil jadi :0,00

need Help