fix broadcasting of multiplication

[codecov-commenter]

Codecov Report

Merging #134 (30695c5) into main (f501ce3) will decrease coverage by 2.22%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #134      +/-   ##
==========================================
- Coverage   89.91%   87.69%   -2.23%     
==========================================
  Files          19       19              
  Lines         367      382      +15     
==========================================
+ Hits          330      335       +5     
- Misses         37       47      +10     

Impacted Files	Coverage Δ
src/broadcasting.jl	100.00% <100.00%> (ø)
src/utils.jl	65.30% <100.00%> (-15.78%)	:arrow_down:

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