Final answer:
In Liquid templating language, you multiply two variables using the syntax { times: bar }.
Step-by-step explanation:
The correct way of multiplying two variables in Liquid is { times: bar }. When you need to perform multiplication in Liquid, which is a template language used by Shopify and other platforms, you use the times filter. To use this filter, attach it to the first variable with a pipe character, followed by the keyword times and the second variable as an argument in the syntax shown.