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foreach o\ b [lassign [gets stdin] a] {set a [expr $a$o$b]};puts $a

Success #stdin #stdout 0.03s 5272KB

stdin

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-2 + 6 / 2 * 8 - 1 / 2.5 - 18

stdout

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-12.0

https://ideone.com/Ru4IZV

language:

TCL (tcl 8.6)

created:

visibility:

public

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