Hello!
I am writing this post to ask for help from the wonderful members of the community while using Make.
What I want to implement seems to be complicated to explain, so I will keep it simple.
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Using the add function in set variable, I want to subtract 100 from each value in the array {100,200,300}—the array name is price. 
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Subtract 100 from each value in the array {100,200,300} 
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I want to obtain the array {0,100,200} as a result. 
Execution and results
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map(88.price;price{{-}}100) >>> {100,200,300} is output as is. 
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{{map(88.price; “.” - 100)}} >>> (GPT reference) {100,200,300} 
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{{map(88.price; parseNumber(“.”) - 100)}} >>> {100,200,300} Derived as is 
Originally, when parseNumber was included in map(), an error message appeared saying that e should not be included, but this time that is not the case.
Please help me. ㅜㅜ Thank you.