Multiplication not Working

[pokw]

Script Version (do not put latest): 2.5.3
Minecraft Version: 1.16.5

            else if {_level} is less than 100:
                set {_totalcost} to (16000 * {_level}) - 590000
            else if {_level} is more or equal to 100:
                #do something
                stop
            set {_price} to {_totalcost} - {%player's uuid%.levelspent}
            if {%player's uuid%.gold} is less than {_price}:
                send "&cError: &rNot enough gold."
                play sound "ENTITY_VILLAGER_NO" to player
            else:
                add 1 to {%player's uuid%.level}
                send "&aPurchase: &rLevel %{%player's uuid%.level}%"
                send "%{_price}%"
                send "%{_level}%"
                set {_amount} to {_level} * {_price} parsed as integer
                send "%{_amount}%"
                play sound "ENTITY_EXPERIENCE_ORB_PICKUP" to player
                add {_price} to {%player's uuid%.levelspent}
                close the player's inventory
                make player execute command "/90fjslk3"

Other Useful Info:
I am multiplying price and level which are 3600 and 28 respectively. When I do this, it gives me 0. It shouldn't be doing this and I'm not sure why it is. The math has been triple checked and I am sure it is correct. Hopefully someone can help, thanks.

Addons using (including versions):
SkPerm, SkQuery, TuSKe, Skellet