fix(issue:4258) variable interpolation after math #274

	# Github actions workflow name
	name: Nodejs Test

	# Triggers the workflow on push or pull request events
	on:
	push:
	branches: [main, master]
	pull_request:
	branches: [main, master]

	jobs:
	platform_spec_test:
	name: 'Tests on ${{matrix.os}} with node${{matrix.node}}'
	strategy:
	matrix:
	# Test all mainstream operating system
	os: [ubuntu-latest, macos-latest, windows-latest]
	node: [18]
	runs-on: ${{ matrix.os }}
	steps:
	# Pull repo to test machine
	- uses: actions/checkout@v2
	# Configures the node version used on GitHub-hosted runners
	- uses: actions/setup-node@v2
	with:
	# The Node.js version to configure
	node-version: ${{ matrix.node }}
	- name: Install npm dependencies
	run: npm install
	- name: Print put node & npm version
	# Output useful info for debugging.
	run: node --version && npm --version
	- name: Run unit test
	run: npm run test

	fast_node_test:
	name: 'Tests on ${{matrix.os}} with node${{matrix.node}}'
	strategy:
	matrix:
	os: [ubuntu-latest]
	node: [10, 12, 14, 16, 20]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: ${{ matrix.node }}
	- name: Install npm dependencies
	run: npm install
	- name: Print put node & npm version
	run: node --version && npm --version
	- name: Run unit test
	run: npm run test

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