javascript - I keep getting unexpected token ) -

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i'm doing coding academy, , doing right when annoying little message,

("jon".length * 2 / (2+1) === ) { console.log("the answer makes sense!"); }  else  { console.log("error! error! error!"); }

there 2 problems in line

("jon".length * 2 / (2+1) === )

first, need sort of conditional @ beginning of line, if

if("jon".length * 2 / (2+1) === )

second, need fill right side of equation after === target comparing, number

if("jon".length * 2 / (2+1) === 1)

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